letting you hear a silver dime two inches from a rusty nail

If you need setup advice or coil-selection guidance for your ground type

The included hand digger with double-serrated edges works perfectly for pinpointing and careful target recovery

Works above water or completely submerged for versatile prospecting

Fisher 8-Inch Open Coil with Tube for Impulse AQ (Waterproof Pulse Induction) multi-iq technology letting you hear a silverThe Fisher 8 inch open coil is a waterproof pulse induction search coil built for the Fisher Impulse AQ metal detector. Impulse AQ owners hunting saltwater beaches, volcanic sand, and mineralized ground gain wider coverage across open areas. The open frame geometry sheds sand and debris while keeping pulse induction's immunity to saltwater interference, and the included 27 inch tube assembly makes for a field ready installation right out of the box.