Riser Clamp Bolt Diameter 25/64 in Bolt Length 25/64 in Clamp Material Steel Clamp Material Finish Electrogalvanized For Maximum Outside Diameter 13/16 in For Pipe Size 1/2 in Load Capacity 255 lb Mounting Hole Diameter 0.39 in Overall Height 0.88 in Overall Length 8.5 in Overall Width 7/8 in For Use On Pipe Standards MSS SP-58 Type 8 WW-H-171 Type 8 Bolt Center-to-Center Length 5 1/8 in