Garrett 5″ x 8″ DD PROformance Search Coil, Coil Cover, Lower Rod, and Hardware for Ace Metal DetectorsThe Garrett PROformance DD 5 x 8 search coil is excellent for hunting in highly mineralized areas such as salt water beaches. The small size of this coil is perfect for locating small targets. The Double D coil winding produces smooth operation in the toughest ground conditions. The small size provides powerful target detection and easy pinpointing. Features Compatible with Garrett ACE Series 5 x 8 Search Coil Semi Elliptical Search Coil Double D