McGard 21156 Chrome Regular Shank Wheel Locks (M12 x 1.5 Thread Size) - Set of 4 Overall Length 1.38", Shank Length .580", Shank Diameter .679" M12 x 1.5 Thread Size 13/16" Hex Size Mag/Shank Style Wheel Locks Set of 4 Locks, 4 Washers and 1 Key