Performance Tool W83017 Wheel Stud Pilot Pin Set Wheel stud pilot pins are designed to easily remove and install wheels on many European vehicles that use screw in lug bolts Set includes four pairs of metric threaded stud pins that allow you to hang the wheel. No need to balance the wheel on the small lip of the hub or in one hand This helps prevent the wheel from falling and causing damage or injury Includes 2ea of following sizes; 12mm x 1.25, 12mm x 1.5, 14mm x 1.25, and 14mm x 1.5 Models include Audi, BMW, VW, Mercedes and Porsche using the 14mm. Fiat, Dodge, and Chrysler using 12mm.