Conduit Ground Clamp; Conductor Size 8 AWG, 6 AWG, 4 AWG (Copper); IPS Size 1/2 to 1 Inch; Size 2-5/6 Inch L; Installation 1 Inch Strap and Hub; Material Plain Brass; Approval UL 467; Used On Wire to Pipe; ROHS Compatible; Applicable Standard NEMA FB-1; Includes Steel Screw