Riser Clamp Bolt Diameter 1/2 in Bolt Length 7/16 in Clamp Material Steel Clamp Material Finish Not Applicable For Pipe Size 2 1/2 in Load Capacity 400 lb Mounting Hole Diameter 0.438 in Overall Length 11.25 in Overall Width 1 in For Use On Conduit Pipe Maximum Operating Temperature 450 Degrees F Standards ANSI/MSS SP-69 cUL Listed A-A-1192A Type 8 MSS SP-58 Type 8 UL Listed WW-H-171-E Type 8 Bolt Center-to-Center Length 4 3/4 in Cushion Material No Cushion Cushioned No