Our team runs gold prospecting equipment in the field and can answer compatibility questions before you order

The FMF coil's simultaneous multi-frequency transmission compensates for ground phase shift in real time

the smaller 11" x 7" DD is for detectorists who want Iron Check capability in a compact coil for tight spaces

Beach and shallow-water hunters use the AT PRO for surf-zone jewelry recovery and swimming-hole coin shooting

and dive hunting

Minelab M8 8x5.5" DD Waterproof Search Coil (Manticore) minelab-accessories Our team runs gold prospectingMINELAB 8 x 5. 5 M8 DD Waterproof Coil for Manticore Metal Detector The waterproof 8 x 5. 5 inch elliptical Double D coil provides maximum depth for specialized treasure hunting. It is also great for wide ground coverage in open spaces. A protective skidplate is included. Features 8 x 5. 5" Double D coil provides maximum depth for specialized treasure hunting Waterproof DD Configuration Good Stability and Depth Supplied with Fitted Skid Plate & Coil