M12-1.25 Wheel Bolt – 19mm Hex, 23mm Thread LengthWHEEL BOLTImproved design – this replacement lug bolt changes the original two-piece design to one piece for greater reliabilityQuality engineering – designed in the United States and backed by decades of automotive aftermarket experienceCorrosion resistant – chrome design and removal of cap prevents future rustThoroughly tested – part has undergone proof load, salt spray, hardness and thread check testing to meet strict standardsThe original lug bolt on certain vehicles has a failure-prone two-piece design that makes rust common and repair difficult. This Dorman OE FIX replacement has a one-piece, carbon steel design to prevent future problems.