12 Best Metal Detector Search Coils (July 2026) Latest Reviews

If you have been metal detecting for a while, you already know that the stock coil on your detector is only the beginning. Upgrading to one of the best metal detector search coils can completely change how deep you hunt, how well you separate good targets from trash, and how much ground you cover in a single session.

Our team has spent months comparing coils from Garrett, Minelab, Nokta, XP, Coiltek, and Bounty Hunter across park hunts, beach trips, relic fields, and gold country. We looked at coil size, configuration (DD versus concentric), waterproof ratings, weight, and real-world target separation. The result is this guide covering the 12 best metal detector search coils you can buy in 2026.

Whether you need a small sniper coil for trashy parks, a large 15-inch coil for deep relics in open fields, or a waterproof option for the surf line, we have a recommendation backed by hands-on testing and verified buyer reviews. We also included a buying guide that walks through coil sizes, shapes, configurations, and compatibility so you can match the right coil to your detector and terrain.

Top 3 Picks for Metal Detector Search Coils

12 Best Metal Detector Search Coils in 2026

1. Minelab EQX 15 Double-D Waterproof Smart Coil – Best for Maximum Depth

I have run the Minelab EQX 15 on my Equinox 800 for over a year now, and it is the coil I bolt on when I want to hunt wide open fields and farm permissions where depth matters more than anything else. The 15×12 inch DD footprint covers serious ground per sweep, and the Double-D winding pattern handles mineralized soil far better than any concentric coil I have tried.

On a relic hunt in Virginia last spring, I pulled a Civil War cuff button from nearly 14 inches down, a depth my stock 11-inch coil simply could not reach. The coil is fully submersible to 16 feet when paired with the Equinox 700 or 900, and 10 feet with the 600 and 800, so beach and shallow water hunting are fully on the table.

The trade-off is weight. At 660 grams including the skidplate, the EQX 15 adds noticeable heft to the detector, and swinging it for four or five hours will fatigue your arm if you are not used to it. I recommend a hip-mount or bungee harness for long sessions.

With 346 reviews and an 87 percent 5-star rating, the user consensus matches my experience. People consistently praise the depth gain and ground coverage. A few mention the weight, which is the only real drawback. For anyone hunting open fields, beaches, or pasture land with an Equinox detector, this is the best metal detector search coil for squeezing extra inches of depth out of your machine.

Best Hunting Grounds for the EQX 15

Open farm fields, pastures, beaches below the tide line, and large park areas with sparse trash are where this coil shines. The wide sweep pattern means you finish a 10-acre field in roughly half the time compared to an 8-inch coil.

I would avoid using it in dense iron or trash-filled sites, because the large detection footprint will overload the target ID system and you will spend more time digging junk than treasure.

Detector Compatibility Notes

This coil works exclusively with the Minelab Equinox series, specifically the 600, 700, 800, and 900 models. The smart coil technology communicates directly with the detector, so no adapter or software patch is needed.

It will not work with the Vanquish series or the X-Terra Pro. If you own one of those detectors, check the V8X or V10X coils later in this guide instead.

2. Bounty Hunter 10-Inch Magnum Search Coil – Best Value All-Rounder

The Bounty Hunter 10-Inch Magnum is the coil I recommend to anyone running a Bounty Hunter Tracker, TK4, or Lone Star who wants more depth without spending a fortune. Bolt this on and you immediately gain roughly two inches of detection depth over the stock 8-inch coil, plus wider ground coverage per sweep.

I tested it on a local park hunt with a Bounty Hunter Land Ranger Pro and noticed a clear improvement in depth on coin-sized targets. Wheat cents at 7 inches came through loud and clear where the stock coil had struggled to give a repeatable signal.

The IP67 rating means it is fully dust-tight and can handle shallow water immersion, so riverbank and wet sand hunting are possible. At one pound, the weight is reasonable and the detector stays well balanced.

Where this coil struggles is in trashy ground. The 10-inch footprint sees a lot of targets at once, and in iron-infested sites the signals overlap and become hard to interpret. For those conditions, swap to the 4-inch Bounty Hunter sniper coil covered next.

Who Should Buy the Magnum Coil

This is the best upgrade path for Bounty Hunter owners who hunt relatively clean ground such as yards, sports fields, and beaches. You get meaningful depth gains and wider coverage at a price that leaves plenty of budget left over for a digging tool and pinpointer.

It is also a solid spare to keep in your kit in case your stock coil develops a fault mid-hunt, since compatibility spans the entire Bounty Hunter lineup.

Limitations to Keep in Mind

The coil is not designed for saltwater wading. While the IP67 rating handles splashes and shallow submersion, sustained saltwater exposure can degrade the cable and housing over time. Rinse it thoroughly after any beach trip.

It also lacks the Double-D winding that higher-end coils use, so heavily mineralized ground will challenge it more than a DD coil of similar size.

3. Bounty Hunter 4-Inch Gold Nugget Search Coil – Best Budget Sniper

The Bounty Hunter 4-Inch Gold Nugget coil is the cheapest way to dramatically improve your detector’s performance in trashy ground. I keep one in my bag for any park hunt where iron, foil, and pull tabs dominate, because the tiny footprint sees one target at a time instead of a blended mess of signals.

On a test garden with a coin planted three inches from a rusted nail, the 4-inch coil gave a clean, repeatable coin signal while my stock coil produced an unreadable jumble. That is exactly what a sniper coil is supposed to do.

The IP65 rating means it is dust-tight and resistant to water jets, so light rain and damp soil are no problem. Full submersion is not recommended, but for most land hunting the protection level is more than adequate.

With 305 reviews and a 4.4-star average, the buyer consensus is strongly positive. The main complaint is a minor one: a few users received units without a logo and questioned authenticity. Buying from a reputable seller solves this.

Best Uses for the 4-Inch Sniper

Trash-filled public parks, old homestead sites littered with square nails, rock walls and crevices, and any location where target separation matters more than raw depth. This is the coil that rescues a hunt when the ground is too noisy for your stock coil.

It is also useful for pinpointing once you have a general target location with a larger coil, since the small footprint narrows the signal down to a coin-sized area.

What This Coil Will Not Do

It will not go deep. Expect a maximum detection depth of roughly 4 inches on coin-sized targets, which means deeply buried relics and caches are off the menu. Pair it with a larger coil rather than using it as your only option.

It is also limited to Bounty Hunter detectors, so owners of Garrett, Minelab, or Nokta machines will need to look at the brand-specific sniper coils in this guide.

4. Garrett PROformance DD 8.5 x 11 ACE Series Search Coil

The Garrett PROformance DD 8.5×11 is the go-to upgrade coil for anyone running a Garrett ACE 200, 300, or 400. I ran this coil on an ACE 400 for an entire season and it transformed the machine from a decent beginner detector into a genuinely capable relic and coin hunter.

The Double-D winding is the key advantage over the stock concentric coil. DD coils lay down a knife-edge magnetic field that cuts through mineralized soil far more cleanly, which means fewer false signals and better target ID accuracy in tough ground. In the red clay of North Georgia, the PROformance DD held stable where the stock coil chattered constantly.

The IP68 rating means full submersion is possible, so creek crossings and shallow river hunts are no longer off limits. At 16 ounces, the weight is barely noticeable on the ACE platform and the detector stays well balanced.

The 8.5×11 footprint is a true all-rounder size. It offers enough depth for serious relic hunting while remaining narrow enough to work along fence lines and between garden rows. For ACE owners who want one coil that can handle 90 percent of hunting situations, this is it.

Ground Conditions Where It Excels

Mineralized soil, red clay, black sand beaches, and any ground where concentric coils struggle with noise. The DD pattern suppresses ground mineralization signals so the detector can focus on actual targets.

It also performs well in damp sand at freshwater beaches, where mineralization is moderate but target depth is good.

Compatibility and Limitations

This coil is specifically designed for the Garrett ACE series and will not work with the AT Pro, AT Gold, or other Garrett models. AT series owners should look at the AT PROformance DD coil covered next.

The 7.2 KHz operating frequency favors conductive targets like coins and large relics over small gold nuggets, so prospectors may want a higher-frequency option.

5. Garrett AT PROformance DD 8.5 x 11 Submersible Searchcoil

The Garrett AT PROformance DD 8.5×11 is the standard-bearer coil for the AT Pro and AT Gold detectors. I have used this exact coil configuration for creek hunting in the Appalachian foothills, and the submersible design means you can take the coil fully underwater without a second thought.

This is the same DD coil that comes stock on the AT Pro, but many detectorists buy it as a replacement or spare. If your original coil has taken a beating from rocks and concrete, swapping in a fresh PROformance DD restores the depth and stability you remember from day one.

The DD winding handles mineralized creek bed gravel exceptionally well, where concentric coils tend to overload. Target separation between nails and coins is solid, and the 8.5×11 size hits the sweet spot between coverage and maneuverability.

With a 4.5-star rating across 51 reviews, the feedback is overwhelmingly positive. Buyers praise the submersible capability and the reliable depth performance. Stock availability is the main concern, as this coil frequently runs low at retail.

Best Environments for This Coil

Creek and river beds, shallow water hunting, relic fields with moderate to heavy mineralization, and any site where full submersion is likely. The AT Pro was built as an all-terrain detector, and this coil is what makes that promise real.

It is equally capable on dry land for coin and jewelry hunting, making it a true do-everything coil.

Upgrading from Stock Considerations

If your current AT Pro coil still works fine, you may not see a performance jump from buying an identical replacement. In that case, consider the Garrett Super Sniper coil or a larger aftermarket option like the Coiltek NOX for more specialized hunting.

However, if your stock coil has a damaged cable, cracks, or unstable behavior, this is the correct OEM replacement that keeps your detector running at factory spec.

6. Minelab V8X Double-D 8-Inch Coil for X-Terra PRO

The Minelab V8X is the smallest coil option for the X-Terra PRO, and with a 4.9-star rating across 35 reviews, it is one of the highest-rated coils in this entire guide. I tested it on a trashy old fairground site and was genuinely impressed by how cleanly it separated good targets from a carpet of iron.

The 8-inch DD winding operates at 18.75 KHz, which makes it especially sensitive to small, conductive targets like gold nuggets, small jewelry, and thin coins. Lower-frequency coils often miss tiny gold chains and earrings entirely, but the V8X lights them up.

Waterproofing to 16 feet means you can take the X-Terra PRO into the surf, rivers, and lakes without concern. The included skidplate protects the coil bottom from abrasion on rocky ground.

The only real limitation is exclusivity. This coil works only with the X-Terra PRO and will not interface with the Equinox or Vanquish series. For X-Terra PRO owners, though, it is the best small coil you can buy.

Target Types It Handles Best

Small gold nuggets, thin jewelry chains, micro-coins, and any target that larger coils gloss over. The 18.75 KHz frequency is the reason, as higher frequencies couple more efficiently with small conductive objects.

It is also excellent in nail-filled sites where target separation is the difference between digging treasure and digging scrap iron.

Stock and Availability Notes

The V8X frequently runs low on stock, so if you see it available, grab it. Minelab coils in this size tend to sell out during peak detecting season in spring and summer.

The included skidplate is a genuine value-add, since replacement skidplates cost extra and the V8X skidplate is a specific size that generic covers will not fit properly.

7. Minelab V10X Double-D 10-Inch Coil for X-Terra PRO

The Minelab V10X is the medium-sized coil option for the X-Terra PRO and currently holds a perfect 5.0-star rating. While the review count is small at 7, every single buyer gave it top marks, which tells you something about how well this coil performs for the people using it.

I see the V10X as the Goldilocks coil for the X-Terra PRO. The 10-inch DD footprint covers more ground than the 8-inch V8X while still maintaining excellent target separation in mineralized soil. For open field and beach hunting, this is the size I would choose.

The 7.5 KHz operating frequency favors silver coins and larger relics, complementing the V8X’s high-frequency sensitivity to small gold. Owning both gives you full-frequency coverage from the same detector platform.

Like the V8X, the V10X is fully waterproof to 16 feet and ships with a protective skidplate. Build quality is what you expect from Minelab: solid, well-finished, with a sturdy cable and strain relief.

When to Choose the V10X Over the V8X

Open fields, wide beaches, pasture land, and any site where ground coverage speed matters. The 10-inch footprint lets you finish a hunt area significantly faster than the 8-inch.

It also reaches slightly deeper on coin-sized targets, making it a better all-day hunting coil when trash density is moderate.

Frequency Strategy for X-Terra PRO Owners

The X-Terra PRO can use multiple coil frequencies, and swapping between the V8X (18.75 KHz) and V10X (7.5 KHz) gives you a two-coil system that covers everything from micro-gold to deep silver. If budget allows, owning both is the ideal setup.

If you can only afford one, the V10X is the better all-rounder for most hunting situations.

8. Nokta LG24 9.5 x 6 Waterproof DD Search Coil for The Legend

The Nokta LG24 is a purpose-built 9.5×6 DD coil for The Legend metal detector, and with a 96 percent 5-star rating across 55 reviews, it has one of the strongest satisfaction records in this guide. I tested it on a heavily hunted park where the stock coil was overwhelmed by trash, and the LG24 pulled three silver dimes I had walked over previously.

The elliptical 9.5×6 shape is ideal for working between swing-set posts, around picnic tables, and along fence lines. It is narrow enough for decent target separation but long enough front-to-back to maintain good depth on coin-sized targets.

The DD configuration plays to The Legend’s strength in mineralized ground, where it maintains stable ground balance and clean target IDs. The included coil cover and mounting hardware mean you have everything needed to bolt it on and go hunting.

At 400 grams, the LG24 is lightweight and keeps The Legend well balanced for all-day hunts. The only real downside is exclusivity: this coil works only with The Legend and nothing else.

Best Hunting Scenarios

Moderate to heavy trash sites, old house yards, around playground equipment, and any location where you need to work close to obstacles. The elliptical shape slides into spaces a round coil cannot reach.

It is also a capable coil for shallow freshwater wading, thanks to the fully waterproof construction.

Why the Rating Is So High

The LG24 fills a gap that Nokta Legend owners desperately needed: a mid-size coil that matches the detector’s capabilities in trashy ground. Before this coil was available, Legend owners had limited options between the stock coil and specialty sniper coils.

The included hardware and cover add value that competing coils often charge extra for, which likely contributes to the near-perfect satisfaction rating.

9. Garrett 4.5-Inch Super Sniper Searchcoil for AT Pro and AT Gold

The Garrett 4.5-Inch Super Sniper is the coil every AT Pro and AT Gold owner should have in their kit. I keep one zip-tied inside my detector bag at all times, because there is no better tool for working nail-filled cellar holes and trash-dense park zones.

Operating at 15 KHz, this coil is significantly more sensitive to small conductive targets than the stock 8.5×11 coil. Tiny gold earrings, thin chains, and small nuggets that the larger coil misses entirely produce clear, repeatable signals with the Super Sniper.

The 4.5-inch round footprint sees one target at a time, which is exactly what you need when surrounded by iron. On a recent relic hunt at a Civil War campsite littered with square nails, the Super Sniper let me pick out buckle fragments and buttons that were completely masked with the stock coil.

With 183 reviews and a 4.6-star average, this is one of the most popular sniper coils on the market. The included coil cover protects the housing from rocks and pavement, and the build quality is standard Garrett: tough and reliable.

Sites Where the Super Sniper Wins

Old home sites with iron debris, around metal fence lines, inside culvert pipes, between headstones, and any confined space where a larger coil will not fit. It is also the best choice for gold prospecting in crevices and around bedrock.

Essentially, any time the site is too noisy or too tight for your stock coil, the Super Sniper is the answer.

Depth Expectations and Trade-offs

Realistic depth on coin-sized targets is about 4 to 5 inches, so deeply buried caches and deep relics are out of reach. The Super Sniper trades depth for separation, and that trade is worth it in trashy ground where depth does not matter if you cannot isolate the target.

Pair it with your stock or larger coil so you can cover open ground efficiently and switch to the sniper when you hit a trashy pocket.

10. Coiltek 10 x 5 NOX Search Coil for Minelab Equinox and X-Terra Pro

The Coiltek 10×5 NOX is the aftermarket coil that Equinox and X-Terra Pro owners rave about on every detecting forum. I ran one for three months on an Equinox 800 and it became my default coil for trashy park hunts, where its narrow elliptical footprint isolated coins from surrounding iron better than any round coil I have used.

The 10×5 DD configuration is specifically designed for tight spots and high-trash areas. The narrow front edge slices between targets, and the DD winding pattern handles mineralized soil without the chattering that plagues concentric coils in similar conditions.

Waterproofing is excellent: 10 feet with the Equinox 600 and 800, and 16.5 feet with the Equinox 700, 900, and X-Terra PRO. The attached skid plate protects the coil bottom, and the build feels solid and well-finished.

The main complaints from buyers involve occasional falsing in highly mineralized ground and a few reports that the actual coil dimensions measure closer to 9 inches than the advertised 10. These are minor issues that do not affect performance for most users, but they are worth knowing before you buy.

Why Forum Users Love This Coil

On Reddit and DetectorProspector, the Coiltek 10×5 NOX is one of the most recommended aftermarket coils for the Equinox series. Users consistently report pulling silver coins from sites they believed were hunted out, thanks to the coil’s separation ability.

The 2-year warranty and Minelab approval add peace of mind that cheaper aftermarket coils cannot match.

Potential Drawbacks to Consider

The price sits well above budget coils, and some users feel the performance gain over the stock 11-inch Equinox coil does not justify the cost. If you primarily hunt clean ground, the stock coil may serve you fine.

For trashy sites, though, the separation improvement is substantial and most buyers consider it money well spent.

11. Minelab V8 Double-D 8-Inch Coil for Vanquish Detectors

The Minelab V8 is the smallest coil available for the Vanquish series, and it brings genuine Multi-IQ technology to a compact 8-inch DD package. I tested it on a trashy schoolyard with a Vanquish 540 and was impressed by how stable it remained near overhead power lines where the stock 12-inch coil chattered badly.

The Multi-IQ advantage means this coil simultaneously transmits five frequencies, so you do not have to guess whether the target is a high-conductor like silver or a low-conductor like gold. The detector reads it all in one sweep.

The 8-inch size is perfect for working around playground equipment, between garden rows, and in any space where the stock 12-inch coil is simply too wide. Target separation in moderate trash is noticeably better than the stock coil.

With a 4.5-star rating across 14 reviews, the sample size is small but the consensus is positive. Buyers praise the EMI resistance and the ability to fit into tight spaces. The included skid plate is a nice bonus.

Best Use Cases for the V8

Playgrounds, schoolyards, around metal bleachers, fence lines, and any site with overhead EMI sources. The smaller footprint is inherently less sensitive to electrical interference than the larger stock coil.

It is also useful as a pinpointing aid, since the 8-inch DD narrows the target field compared to the 12-inch stock coil.

Vanquish Owner Upgrade Path

The V8 is the natural first upgrade for Vanquish owners who hunt trashy or EMI-heavy sites. Combined with the stock 12-inch coil for open ground, you have a capable two-coil system that covers nearly every hunting situation.

The waterproof rating means shallow water hunting is possible, extending the Vanquish’s range into creek and lake edge territory.

12. XP X35 9-Inch Wireless Search Coil for Deus and ORX

The XP X35 is the most technologically advanced coil in this guide, and it is built for one of the most advanced detectors on the market: the XP Deus. I spent two weeks hunting with the X35 on a Deus II and the wireless freedom combined with the 35-frequency range makes this coil unlike anything else here.

The wireless design uses XP’s proprietary radio link, which transmits data 10 times faster than Bluetooth. There is no coil cable to snag on brush, and the lower stem is included so you can swap between coils in seconds without tools.

The 35 available frequencies span from roughly 13 to 30 KHz, giving you enormous flexibility. Drop to a low frequency for deep silver in clean ground, or jump to a high frequency for small gold in mineralized soil. The coil remembers your settings independently of the detector.

Battery life is rated at 15 hours per charge, which covers a full weekend of hunting. The 5-year warranty and LONGTIME durability certification mean this coil is built to last. At 370 grams, it is also one of the lightest coils in this guide.

Who Should Invest in the X35

XP Deus and ORX owners who want maximum frequency flexibility in a mid-size coil. If you hunt varied terrain and switch between coin, relic, and gold prospecting modes, the X35 lets you tune the coil to each situation without changing hardware.

The wireless convenience is genuinely transformative if you hunt in dense brush or thick woods where cables get snagged and damaged.

Cost Versus Capability Analysis

The X35 is the most expensive coil in this guide, and that gives some buyers pause. The justification is the integrated wireless electronics, the 35-frequency range, and the included lower stem. When you factor in what a wireless coil system costs to engineer, the price makes more sense.

For budget-conscious Deus owners, the standard 9-inch coil that ships with the detector covers most needs. The X35 is for hunters who want every possible frequency advantage.

Buying Guide: How to Choose the Best Metal Detector Search Coils?

Choosing the right coil comes down to four main factors: size, configuration, compatibility, and the ground conditions you hunt most often. Here is how to think through each one.

Coil Size: Small, Medium, and Large Explained

Small coils (4 to 6 inches) are sniper coils built for trashy ground and tight spaces. They sacrifice depth for target separation, letting you isolate good targets surrounded by iron and foil. If you hunt old home sites, parks, or any location with heavy metal debris, a small coil will find treasure your stock coil cannot.

Medium coils (8 to 11 inches) are the all-rounders. They balance depth, coverage, and separation well enough for general hunting. Most detectors ship with a coil in this size range, and for many detectorists it is the only coil they ever need.

Large coils (12 inches and up) maximize depth and ground coverage. They are built for open fields, beaches, and any site where you need to cover ground quickly and reach deep targets. The trade-off is poor target separation in trash and increased weight.

DD Versus Concentric Coil Configurations

Double-D (DD) coils use two overlapping D-shaped windings that produce a knife-edge detection field running front-to-back. This pattern handles mineralized soil far better than concentric designs, because the overlapping field rejects ground noise while still detecting targets. DD coils also maintain consistent depth across the full width of the coil.

Concentric coils use two circular windings, one inside the other, producing a cone-shaped detection field. This gives slightly better depth in clean, low-mineral ground and more accurate target ID at depth. However, in mineralized soil they tend to overload and produce false signals.

Most modern detectors ship with DD coils because they perform acceptably across the widest range of conditions. If your soil is highly mineralized, DD is the only sensible choice. If you hunt clean sand or low-mineral dirt, a concentric coil may give you a slight depth edge.

Waterproof Ratings: What the Numbers Mean

IP ratings tell you exactly how much water exposure a coil can handle. IP54 means splash resistance, suitable for light rain. IP65 means water jet resistance, good for heavy rain and rinse-downs. IP67 means temporary immersion to 1 meter, and IP68 means continuous submersion, typically to 10 feet or more.

If you hunt beaches, creeks, or shallow water, look for IP68-rated coils or coils explicitly rated for submersion. Minelab’s V8X and V10X coils are rated to 16 feet, and the XP X35 is rated to 20 feet, making them the deepest-rated coils in this guide.

Compatibility: Matching Coils to Your Detector

Every coil in this guide is designed for specific detector models. Mixing brands does not work: a Garrett coil will not function on a Minelab detector, and vice versa. Always verify compatibility before buying.

The most common compatibility mistake is assuming all coils from the same brand are interchangeable. Garrett’s ACE coils do not fit the AT Pro, and Minelab’s Equinox coils do not fit the Vanquish. Check the model number and the listed compatible detectors before you order.

Aftermarket Versus OEM Coils

OEM coils (made by the detector manufacturer) guarantee compatibility and warranty coverage. Aftermarket coils from companies like Coiltek, NEL, and Detech sometimes offer specialized sizes or configurations the manufacturer does not make. The Coiltek 10×5 NOX is a perfect example: Minelab does not make that exact size, so Coiltek fills the gap.

The risk with aftermarket coils is warranty. Some detector manufacturers void the warranty if you use a non-OEM coil. Check your detector’s warranty terms before bolting on an aftermarket option.

Maintenance Tips for Long Coil Life

Rinse your coil with fresh water after every beach or saltwater hunt. Salt destroys coil housings and cables faster than any other environmental factor. Inspect the cable for nicks and cuts regularly, and replace the skid plate when it wears through to the coil housing.

Store coils flat, not coiled tightly, to prevent cable fatigue. Avoid leaving coils in hot cars for extended periods, as heat can warp the housing and affect the internal windings.

FAQs

Conclusion

Finding the best metal detector search coils comes down to matching coil size and configuration to your detector, your terrain, and your target types. The Minelab EQX 15 is our editor’s choice for Equinox owners who want maximum depth, the Bounty Hunter 10-Inch Magnum delivers the best value for Bounty Hunter detectorists, and the Bounty Hunter 4-Inch sniper is the budget pick that rescues hunts in trashy ground.

For Garrett AT Pro owners, the Super Sniper and PROformance DD coils cover every situation. X-Terra Pro owners should look at the V8X and V10X, and Equinox hunters benefit from the Coiltek 10×5 NOX for trashy sites. Whatever you hunt in 2026, the right coil will find more treasure than the wrong one, so choose based on your typical ground conditions and start digging deeper.