Fisher 7" Round Concentric Search Coil for F11/F22/F44

Fisher 7" Round Concentric Search Coil for F11/F22/F44This 7" Round Concentric Search Coil is designed for use with the Fisher F11, F22, and F44 metal detectors. This latest Fisher search coil has been upgraded with the latest technology, allowing you to fully utilize your Fisher Metal Detector's capabilities. Generally, larger search coils provide better depth with larger targets and enhanced ground coverage, though sensitivity to smaller objects may be reduced. Conversely, smaller search coils offer greater sensitivity to smaller objects and improved target separation in areas with trashy soil. All Fisher Search Coils are electro-statically shielded and waterproof.