Pipe Strap Bolt Material Galvanized Steel Clamp Material Steel Clamp Material Finish Galvanized Clamp Type Two-Hole Cushion Material Not Applicable For Copper Tube Size 4 1/2 in For Maximum Outside Diameter 4 1/2 in For Pipe Size 4 in Load Capacity Not Applicable Mounting Hole Diameter 0.31 in Number of Mounting Holes 2 Overall Height 4.5 in Overall Length 8.13 in Overall Width 0.75 in