The Detech 18' x 4 search coil is specially designed for heavily polluted areas, covering maximum area. Extremely good for beach hunting, nugget hunting or where big areas are needed to be covered fast. The Detech Arrow search coil is extremely sensitive, in the same time with stable operation, light for its size and 100%.Cover large areas 2 to 3 times faster with Arrow's huge 18 footprint! Unlike Any Other Search Coil. The Detech Arrow has an innovative design and large foot print that make it unique. This rugged 18" x 4" DD search coil is both waterproof and all-terrain in construction. At just 1 pound 10 ounces, this coil is light weight and well balanced.
Optimized for exceptional performance in extremely trashy environments. This coil opens up previously unexplored opportunities. The Arrow is noted for being exceptionally good for coin hunting, relic hunting, jewelry hunting, beach hunting, gold nugget shooting and meteorite hunting. It offers extreme sensitivity and very stable operation. The size of this coil will help you search large areas 2 to 3 times faster than a standard sized search coil.Overall, the depth range is comparable to a 4 to 8 search coil. Nokta Makro Simplex+ Metal Detector.