The Hexagon hole diameter is 10mm

Pair this coil with manual ground balance for maximum stability

open spaces like fields

Overall Length: 42

4 kHz single 5 and 15 kHz dual Ground balance Automatic Manual Audio target ID Fixed 400 Hz tone 3-tone target ID Coil included 8" concentric 10

Minelab Bow Knuckle and Bungee Kit for GPX Series Metal Detectors vanquish-accessories The Hexagon hole diameter isThe Minelab Bow Knuckle and Bungee Kit is a factory replacement assembly for GPX series metal detectors, including the same 6mm RoHS bungee strap, bow knuckle connector, and nylon hardware that ships with new units. GPX owners working remote goldfields need a spare kit on hand because a failed bungee mid hunt means lost mobility and detector balance. This kit restores the original swing feel when your existing strap stretches out or the knuckle cracks