13 "(33 cm) DD COIL for AKA metal detector series: SOREX PRO, SIGNUM 7272M This search coil offers very high performance, ideal for a deep search, the low search frequency of only 3kHz, allows to reachperformance impossible for other metal detectors, performance on small precious still remain optimal ..... Ideal for research of objects of good size at high depths.
Technical features: - 13 "DD (33 cm) - Frequency: 3 kHz - weight 700 g. - cable length: 126 cm