Vibration-Dampening Strut Clamp Clamp Material Steel Clamp Material Finish Zinc Chromate Clamp Type Strut Clamp Cushion Material Polypropylene For Copper Tube Size 5/8 in For Maximum Outside Diameter 3/4 in For Strut Channel Width 1 5/8 in Installed Height 1 49/64 in Maximum Operating Temperature 145 Degrees F Mount Type Strut Channel