Xiutantxmd

14 inch Adult Depth Metal Detector Professional, Dual D Waterproof Search Coil with Needle tip, high Sensitivity DISC Mode, LCD Backlight Display Gold Detector, Including Positioning Rod 28CM waterproof DD coil – Generally speaking, electromagnetic pulses from larger coils can penetrate deeper than those from smaller coils. A larger coil can also help you cover the ground faster, as each...