20pc Extended Black Lug Bolts 14x1.5 (37mm Shank Length, Ball Radius Seat) for Audi TT A3 A4 S4 A5 S5 A6 S6 A7 S7 A8 S8 B5 B6 B7 B8 VW Volkswagen Jetta Golf GTI R32 Passat CC Beetle [AUTHENTIC] Precision European Motorwerks Lug Bolts with branded packaging. Pack of 20 - Black Bolts. [MANUFACTURING] Manufactured with cold forged steel. Zinc coating provides exceptional corrosion resistance and appearance. Additional Heat Treating Process ensures dependable strength & durability. [SPECIFICATIONS] Thread Size: 14x1.5 | Seat Type: Ball Seat R12 | Shank Length: 37mm (ie thread length) [CHECK SHANK LENGTH] Vehicles come with a variety of bolt lengths. This 37mm Shank Length bolt may not fit if it is the wrong length for your application. This depends on your OEM bolt's length and the spacer's thickness. (See Diagram for Measuring Help) [IMPORTANT - SEAT TYPE & BOLT SIZE] (1) Verify the thread size of the bolts on your vehicle. Various years/models come with different thickness bolts and thread pitches. (2) There are a variety of "Lug Seats", please make sure your wheels take Ball Seat R12 shaped bolts. (See Diagram for Help)