Vibration-Dampening Strut Clamp Clamp Material Steel Clamp Material Finish Zinc Chromate Clamp Type Strut Clamp Cushion Material Polypropylene For Maximum Outside Diameter 1 7/8 in For Pipe Size 1 1/2 in For Strut Channel Width 1 5/8 in Installed Height 3 13/64 in Maximum Operating Temperature 145 Degrees F Mount Type Strut Channel