Ground Clamp, Maximum Current 300 A, Compatible Cable Gauge (Maximum) 1/0 AWG, Compatible Cable Gauge (Minimum) 2 AWG, Maximum Jaw Opening 2 in, Throat Depth 3 1/4 in, Clamp Body Material Brass, Cable Connection Type Braided Copper Shunt, Clamp Connection Material Steel, Clamp Height 1 5/8 in, Clamp Type Ground Clamp, Compatible with Surface Type Flat, Flat Plates, Pipe, Round, Features High-Tensile Spring to Grip Tight, Non-Conductive Yes, Overall Height 1.6 in, Overall Length 8.9 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -