Features: High Copper Alloy Ground Connector For Joining A Wide Range Of Cable Parallel To H Beams Or Square Tube, Hardware Is Made From DURIUM For Superior Corrosion Protection, Width: 4 IN, Installation Torque: 240 IN-LB, Outer Dimension Of H Beam Or Tube: 1-7/8 X 1-7/8 IN Minimum, 2-1/2 X 2-1/2 IN Maximum, Height: 4-3/4 IN.