12.5" Inch DD GPX COIL by Detech
12.5" Inch DD GOLD COIL by Detech for GPX GP SD.
12.5" DD solid classic coil design by Detech. This coil is very stable, no false signals, and able to work in difficult soils and locate smaller nuggets as well as larger deeper gold! You can use the discrimination on your machine with this coil.