Detech 12 x 10" SEF Butterfly Search Coil for Fisher F11, F22, F44 Metal Detectors Detech and a compass mounted on

and a compass mounted on top of the DHI-1 provides the diver with the precise heading to the target

Three-position mineralization switch - Optimizes performance for different soil types

Transmitter Specifications

It is in widespread use by law enforcement for locating guns underwater

Detech 12 x 10" SEF Butterfly Search Coil for Fisher F11, F22, F44 Metal Detectors Detech and a compass mounted onDetech 12 x 10" SEF Butterfly Search Coil for Fisher F11, F22, F44 Metal Detectors Compared to a standard Double D search coil, the patented SEF Butterfly design offers several advantages: Better ground balance More stable operation Deeper detection depth Better pinpointing More accurate target identification High Quality Construction This search coil is produced using the highest quality materials and advanced manufacturing techniques. It is filled