Tube And Pipe Clamp Clamp Material Polycarbonate/Polyester For Copper Tube Size 1 1/2 in For Maximum Outside Diameter 1 11/16 in For Minimum Outside Diameter 1 9/16 in For Pipe Size 1 1/4 in Load Capacity 80 lb Maximum Operating Temperature 194 Degrees F Overall Height 2 1/2 in Overall Length 2 1/2 in