Minelab GPX, SD and GP series old metal coil (old models).
The search coil Commander 15 "x 12" (38x30 cm) monoloop is quite sensitive to small nuggets, has a greater depth of gold targets larger and covers more ground size compared to monoloop coils 8 "or 11"
Compatible Metal Detectors
GPX 5000 GPX 4800 GPX-4500 SD2200v2 SD2100v2 GPX-4000 GP 3500 GP 3000 GP extreme SD 2100e SD 2200D SD2100 SD2000
Waterproof, resistant to splashes, rain and washing, but must not be immersed in water.