Riser Clamp Bolt Diameter 1/2 in Bolt Length 1/2 in Clamp Material Steel Clamp Material Finish Not Applicable For Pipe Size 4 in Load Capacity 750 lb Mounting Hole Diameter 0.5 in Overall Length 12.88 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 7 in Cushion Material No Cushion Cushioned No