The Detech SEF 10×5″ WSS coil is extremely sensitive to small targets, which makes it perfect for coin shooting, jewelry and gold nuggets. This coil offers the perfect balance between discrimination and ground balance, performing very well even in heavily contaminated areas. It’s light, very stable in operation and extremely precise in pinpointing. .
The S.E.F. Butterfly search coils offer better ground balance, more stable operation in all conditions, even deeper in the ground, and more accurate target identification