Vibration-Dampening Beta Clamp, Clamp Bore Style Ribbed, Clamp Material 304 Stainless Steel, Clamp Material Finish Not Applicable, Clamp Type Beta Clamp Assembly, Compatible Grainger Part Number Not Applicable, Compatible Mfr Part Number Not Applicable, Cushion Material Polypropylene, For Copper Tube Size Not Applicable, For Insulation Thickness Not Applicable, For Maximum Outside Diameter Not Applicable, For Number of Lines 1, For Pipe Size 1 1/4 in, For Strut Channel Width Not Applicable