Nail Clamp Clamp Material Plastic Cushion Material Not Applicable For Copper Tube Size 1 in For Insulation Thickness Not Applicable For Maximum Outside Diameter 1 1/8 in For Minimum Outside Diameter 1 1/8 in For Pipe Size 1 in For Tube Outside Diameter 1 in Overall Height 7/16 in Overall Length 3 3/4 in