The Double D coil winding produces smooth operation in the toughest ground conditions

Screw-In Connector

detect deeper targets

accurate pinpointing

Garrett AT Series 8.5×11″ PROformance DD Waterproof Coil Semi Elliptical 1280X The Double D coil windingGarrett AT Series 8. 5 x 11 PROformance DD Search Coil. This waterproof coil is excellent for hunting in highly mineralized areas such as salt water beaches. The Double D coil winding produces smooth operation in the toughest ground conditions. The large size provides powerful, deep target detection and easy pinpointing. The 8. 5 x 11 PROformance coil is made for use with the Garrett AT Pro, Garrett AT Max, and the Garrett AT Gold metal detector. This