Deep Treasure and Cache Location With the Fisher Gemini-3

This 12x10'' Spoked Concentric Search Coil by Tesoro is for use with the Tesoro Cortes, Deleon, Silver, and Golden uMax metal detector (5 pin detectors). Tesoro search coils come in two types: Concentric and Widescan. Concentric are preferred for discriminating. Widescan are less affected by ground mineralization. In general, larger search coils will give better depth with larger targets and better ground coverage. However, sensitivity to smaller objects may be sacrificed. Smaller search coils will offer gre