The Minelab 18" Double D Coil is suitable for GPX and older GP and SD series metal detectors.
The 18" Double-D acheives greater depth and ground coverage but is less sensitive to small gold compared to the other Double-D coils. Being a Double-D coil it can be used with the Iron Reject and RX cancel features making it a excellent deep seeking relic coil.
Water resistant: May be splashed, washed, used in drizzling rain, or moved through wet grass.
Must not be submersed under water.
Compatible: GPX 4500, GPX 5000 and SD and GP models.