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 3 1/2 in For Maximum Outside Diameter 3 1/2 in For Pipe Size 3 in Load Capacity Not Applicable Mounting Hole Diameter 0.31 in Number of Mounting Holes 2 Overall Height 3.5 in Overall Length 6.75 in Overall Width 0.75 in