The BURNDY C11N grounding clamp is designed for reliable electrical performance. Key features include 3/8 to 1 in Pipe, 0.84 to 1.315 in Outside Dia, Copper/Stranded Conductor, 10 to 3/0 AWG Conductor, Cable Parallel to Pipe, Screw Installation, Cast Bronze, Zinc Plated, 2.25 in L x 0.63 in W x 1.81 in H.