ALKO or BPW Caravan Alloy Wheel Bolt Wheelbolt M12 x 1.5 Conical Seat 19mm - AS4
AL-KO or BPW Caravan Alloy Wheel Bolt with Conical Seat. Designation is M12 x 1.5 Hex. For use with a 19mm socket. Caravan Parts. Used by most U.K. Caravan manufacturers. 10.9 VBE is usually stamped into the bolt head.