Conduit Ground Clamp; Conductor Size 8 AWG, 6 AWG, 4 AWG (Copper); IPS Size 1-1/4 to 2 Inch; Size 4-1/4 Inch L; Material Plain Brass; Approval UL 514B, CSA C22.2; Used On 1/2 to 3/4 Inch Copper Water Pipe; ROHS Compatible; Applicable Standard Federal Specification A-A-50552, NEMA FB-1; Clamp Type Bare Wire