Fisher 5" DD Coil Compatible with Fisher F5 and F19Fisher 5" DD Search Coil for F5 & F19 Metal Detectors Take your target separation and precision to the next level with the Fisher 5" DD Search Coil, designed for the Fisher F5 and Fisher F19 metal detectors. This compact Double D coil excels in trashy sites, iron infested relic locations, and tight hunting environments where larger coils can struggle to isolate valuable targets. The small 5 inch footprint provides exceptional sensitivity to coins,