20pc - 14x1.5 to 12x1.5 Wheel Stud Conversion - 27mm Shank Length - for Audi TT A3 A4 S4 A5 S5 A6 S6 A7 S7 A8 S8 B5 B6 B7 B8 Volkswagen Jetta Golf GTI R32 Black [QUALITY] Authentic Precision European Motorwerks Stud Conversions. Pack of 20. [APPLICATIONS] Many Audi, Mercedes, & Volkswagen Vehicles that use 14x1.5 threaded lug bolts. [SPECIFICATIONS] 14x1.5 (Vehicle) to 12x1.5 (Nut) Thread Size. 27mm (12x1.5 side) Shank Length. 44mm (~1.7") 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.