Mars Discovery 13” DD Waterproof Coil for Makro Coin Finder CF77 Metal Detector waterproof metal detector you get our 30-day return

you get our 30-day return window

We run All-Metal with Sensitivity at 7 to 9

Frequency matched to gold: Standard coin machines run 7–13 kHz and assign rising target IDs to silver

backup nylon coil screw and wing nut

the focused detection field gives sharper audio on coins and jewelry in the 0-6 inch range

Mars Discovery 13” DD Waterproof Coil for Makro Coin Finder CF77 Metal Detector waterproof metal detector you get our 30-day returnMars Discovery 13 DD Search Coil with Nut & Bolt, Coil Cover, 2 Rubber Rings, and a Two Year Warranty. Compatible with the Makro Coin Finder CF77 Metal Detector. 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. It detects targets at considerably greater depth and provides a larger scan area in comparison to standard coils. Mars