20pc - 12x1.5 to 12x1.5 Wheel Stud Conversion - 44mm Shank Length - for many BMW Vehicles: 128i 135i 318i 320i 325i 328i 335i M3 525i 528i 530i 535i M5 Z3 Z4 E36 E46 E60 E90 E92 E93 Black [QUALITY] Authentic Precision European Motorwerks Stud Conversions. Pack of 20. [APPLICATIONS] European Vehicles (BMW, Mini, Volkswagen) that use 12x1.5 threaded lug bolts. [SPECIFICATIONS] 12x1.5 Thread Size. 44mm Shank Length. 61mm (~2.4in) Overall Length. (See Diagram for details) [MANUFACTURING] Heat Treated 10.9 Grade Carbon Steel. Zinc Coated. Corrosion/Rust Resistant. Heat Treated coating prevents oxidation and protects the metal. [BENEFITS] Allows for faster and easier wheel changes. Allows the use of aftermarket Tuner and Racing Lug Nuts.