Arp Brake Hat Bolt - 5/16-18 in Thread - 0.85 in Long - 12 Point Head - Washers Included - Chromoly - Black Oxide - Set of 32-300-0802--Notes: Bolts are drilled for safety wiring. Bolt part number: 3AG.851-1D Washer part number: 200-8402 State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO