Strap Pipe, Clamp Material Steel, Clamp Material Finish Pre-Galvanized, Clamp Type Standoff Two-Hole, For Maximum Outside Diameter 1 1/2 in, For Pipe Size 1 1/2 in, Mounting Hole Diameter 0.25 in, Number of Mounting Holes 2, Overall Height 3.5 in, Overall Length 4.25 in, Overall Width 1 in, Standards ASTM A653