Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them. New Garrett Ca
The Lobo SuperTraq is a fine nugget finder and will do well for coins and rings on a beach in the dry sand only. It may not do as well in any wet saltwater sand. When you say "Beach," I assume you mean saltwater beaches. Coils would no doubt work better with a larger coil for more coverage on the sand.