Vibration-Dampening Strut Clamp, Clamp Bore Style Smooth, Clamp Material Steel, Clamp Material Finish Zinc-Plated, Clamp Type Strut Clamp, Compatible Mfr Part Number Wesanco Strut, Cushion Material TPE, For Copper Tube Size 3/4 in, For Insulation Thickness Not Applicable, For Maximum Outside Diameter 3/4 in, For Number of Lines 1, For Pipe Size Not Applicable, For Strut Channel Width 1 5/8 in, Included Insulation Thickness Not Applicable, Installed Height 3 19/64 in, Load Capacity 600 lb WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Nickel (Metallic)