Pipe Strap Bolt Material Copper Coated Steel Clamp Material Steel Clamp Material Finish Copper-Plated Clamp Type Two-Hole Cushion Material Not Applicable For Copper Tube Size 1 3/8 in For Maximum Outside Diameter 1 3/8 in For Pipe Size 1 1/4 in Load Capacity Not Applicable Mounting Hole Diameter 0.2 in Number of Mounting Holes 2 Overall Height 1.38 in Overall Length 3.11 in Overall Width 0.75 in