Detech 18" DD Closed Design Search Coil for Minelab GPX, GP, SD Series Gold Detectors 71-khz and notch discrimination rejecting all Size:Short-Stocky field-digging Wet Sand and Saltwater 1703.6001

and notch discrimination rejecting all values spanning 0 to 35 while fully accepting everything from 36 and up

old diggings

8" Waterproof Concentric Search Coil

Variable Breakpoint – Industry’s first variable breakpoint tone discrimination system

light enough for extended swings without arm fatigue during a four-hour low-tide session

Detech 18" DD Closed Design Search Coil for Minelab GPX, GP, SD Series Gold Detectors 71 khz and notch discrimination rejecting all Size:Short Stocky field digging Wet Sand and Saltwater 1703.6001 and notch discrimination rejecting all values spanning 0 to 35 while fully accepting everything from 36 and up old diggings