Instructions:

Coil: 7-inch stock concentric

The included coil is a 5" DD (double-D) configuration

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

burr-free finish

Fisher F11 Metal Detector grass knife Instructions:The Fisher F11 Metal Detector is a turn on and go VLF machine built around the same 7. 69 kHz platform that put the Fisher F Series on detectorists' belts for more than a decade. Operating at 2. 3 pounds with a 7 inch concentric elliptical waterproof coil and three preset hunt modes, the F11 is the first rung of Fisher's modern hobby lineup, and the lightest, simplest entry point into the entire Fisher metal detector lineup. We carry it for first time