Vibration-Dampening Beta Clamp Clamp Bore Style Ribbed Clamp Material 304 Stainless Steel Clamp Type Beta Clamp Assembly Cushion Material Polypropylene For Copper Tube Size 1 3/8 in For Maximum Outside Diameter 1 1/2 in For Number of Lines 1 Maximum Operating Temperature 194 Degrees F Mount Type Weld-On