Additional Details ------------------------------ Product description: This waterproof 11 inch open frame elliptical DD search coil is the perfect choice for the treasure hunter looking for the best combination of maximum depth and maneuverability in most hunting conditions. This coil performs like a much bigger round style coil but at a reduced weight because of its modified elliptical shape. A very stable coil in high mineral grounds and will easily detect deeper coins and relics. Works with the Teknetics Delta, Gamma, Omega, Alpha and G2 metal detectors. Material: metal