Mars Goliath 15” DD Waterproof Search Coil for Fisher F2 and F4 Metal Detector 34x28 coil Zero (all-metal) or Jewelry search

Zero (all-metal) or Jewelry search mode to ensure low-conductor gold chains are not accidentally skipped

control housing weatherproof (not submersible)

Mode: Reject Iron

They run standard Bluetooth plus enhanced aptX Low Latency for near-instant response between the coil's signal and what you hear — and because they're fully waterproof

09-inch blade width gives you enough digging surface for larger targets

Mars Goliath 15” DD Waterproof Search Coil for Fisher F2 and F4 Metal Detector 34x28 coil Zero (all-metal) or Jewelry searchMars Goliath 15 DD Search Coil with Nut & Bolt, Coil Cover, 2 Rubber Rings, and a Two Year Warranty. Compatible with the Fisher F2 and F4 Metal Detector. The Mars Goliath coil will ensure the maximum possible target detection depth as well as a larger scan area. It is at its most efficient searching in large open areas clear of thick vegetation. Mars search coils are 100% waterproof and are protected against electrical interference. Compatible Fisher