Hunt after rain when the ground is moist for better conductivity and deeper detection

Arizona caliche requires different settings than Nevada decomposed granite or California ironstone

5” (95 cm – 128 cm)

Waterproof Rating: Coils submersible

Sensitivity: 7 to 8

Mars Discovery 13” DD Waterproof Coil for Whites Coinmaster Metal Detector 9.5x5 coil Hunt after rain when theMars Discovery 13 DD Search Coil with Nut & Bolt, Coil Cover, 2 Rubber Rings, and a Two Year Warranty. The Mars Discovery coil is the most optimal size for universal detecting at 13. It is a very well balanced, lightweight and reliable coil for a wide range of search tasks. Compatible with the Whites Coinmaster Metal Detector. The Mars Discovery coil is the most optimal size for universal detecting at 13. It is a very well balanced, lightweight and