In general

and looking at crystals

Protect your search coil from the rigors of the field with the Teknetics 11" Coil Cover (COVER-11DD)

Tight brushy areas

Twice the battery life of other pinpointers with LED lights

Garrett GTI Series 5 x 8″ PROformance DD Waterproof Search Coil Detech Search Coils & Covers In generalThis 5X8 DD COIL for the GTI Metal Detectors offers excellent separation in trashy areas. The production of these medium sized coils allows them to operate well in highly minimized areas. Description: The Elliptical shape allows you to get in and around obstacles that slow down round coils. This coil is made to be used with the Garrett GTI series of metal detectors. Designed for Garrett GTI 1500, GTI 2500 Small Size Offers Improved Target