Specs : FI-15M Plus (G) + FI-15 Plus (R) - Rhodium or 24k gold-plated (a)Alpha Pure copper Conductor - Floating Field Damper System prevents induced magnetic fields - Nylon /fiberglass main body and inner cover plate. - Specified for cable diameters of 6.6mm to 15.0mm (Wire size of 5.5mm2 (10AWG) max.) - Polycarbonate cable damping clamp with stainless screws - Connection : Set screw - Dimensions : 35.0 x 34.0 x 72.2 mm overall length.