The 15 x 12-inch elliptical Double-D M15 coil is waterproof to 5 m (16 ft) and provides maximum depth for specialized treasure hunting. It is also great for wide ground coverage in open spaces. The M15 coil weighs 650g with the included protective skidplate, bringing total weight of the MANTICORE metal detector to 1.45kg with the M15 attached.
