BURNDY® BARTAP Grounding Clamp, Series: QGFL, 6 AWG to 250 kcmil Conductor, 1/2 in Stud, 1/4 in Bar Thickness, Busbar Clamp, Specifications: 1/2 in Conductor Clamping Hardware, Copper Wire, 480 in-lb Installation Torque, Copper Alloy, Unplated, 1.38 in W x 2.63 in H