Mars Discovery 13” DD Waterproof Coil for Makro Coin Finder CF77 Metal Detector waterproof metal detector Eliminating the Need for a

Eliminating the Need for a Finger Spacer

the audio boost amplifies those faint signals

The 16-turn vernier potentiometer combined with a 25-position coarse ground balance control lets you null out ground noise without sacrificing gain

Audio: Multiple dynamic options including PWM

Widths - Channel: 9 1/4" / Flare: 13 3/4"

Mars Discovery 13” DD Waterproof Coil for Makro Coin Finder CF77 Metal Detector waterproof metal detector Eliminating the Need for aMars 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