Detech 18" x 15" SEF Butterfly Search Coil for Minelab GPX, GP, SD Series Gold Detectors bone-conduction-compatible 40 kHz single-frequency for small

40 kHz single-frequency for small nugget sensitivity

7 V / 5100 mAh internal lithium-ion cell

Shallow Creek and Freshwater Hunts

Minelab Excalibur II 1000 Metal Detector Recovery Bundle with 10" Submersible Search Coil

Detech 18" x 15" SEF Butterfly Search Coil for Minelab GPX, GP, SD Series Gold Detectors bone-conduction-compatible 40 kHz single-frequency for smallDetech 18 x 15 SEF Butterfly Search Coil for Minelab GPX, GP, SD Series Gold Detectors Lightweight open coil. Middle size to allow user to cover more ground in less time resulting in finding more gold. Very similar to the larger 21" x 17" search coil. Will go deeper and give better performance when searching for GOLD. Very stable and very accurate pinpointing to locate even your smaller Gold finds. Field tests show the S. E. F. search coils really