CORS Point Search Coil for Tesoro Epsilon Series Metal Detectors (Silver uMAX, Golden uMAX, Cortes and De Leon) The Search Coil used by Professionals and Serious Detectorists! The CORS Point Search Coil is designed to search on land heavily littered with iron and other debris. The shape of the coil helps to separate nonferrous metal from iron. This coil is light and has excellent maneuverability, it is recommended for use on the beach, foundations of destroyed buildings, attics, wells and tunnels. This coil has good sensitivity to large, medium and especially small targets. The CORS Point Search Coil is easy to use and is very good at pinpointing targets. The coil is fully submersible, the coil body is filled with high quality epoxy resin.