Fine Gold for highly mineralized terrain with small to medium targets

the specialized DD configuration neutralizes ground chatter

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

Shovel Blade Size: 7

High-Frequency Performance in Mineralized Gold Country

Fisher 8-Inch Open Coil with Tube for Impulse AQ (Waterproof Pulse Induction) multi-iq technology Fine Gold for highly mineralizedThe 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.