Check the listing for details. CUSH-A-NATOR CN20SS Vibration Strut Clamp,1 1/4"OD,1 45/64"W 33KF90. Condition: New. Listed at 17.80 USD. Vibration-Dampening Strut Clamp, Clamp Bore Style Smooth, Clamp Material 304 Stainless Steel, Clamp Material Finish Not Applicable, Clamp Type Strut Clamp, Compatible Mfr Part Number Wesanco Strut, Cushion Material TPE, For Copper Tube Size 1 1/4 in, For Insulation Thickness Not Applicable, For Maximum Outside Diameter 1 1/4 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 53/64 in Rugged steel clamp has a durable thermoplastic rubber cushion that resists high heat and provides long life against vibration fatigue. Cushion is self-aligning and has a built-in squeeze control to help provide evenly distributed pressure around the pipe or tube for a secure fit.