(10) Extended Silver Lug Bolts | 14x1.5 Threads | R14 Ball Seat | 37mm Shank Length | For many Porsche Vehicles: 924 944 968 911 Boxter Cayman Cayenne Panamera [APPLICATIONS] Many Porsche vehicles that use 14x1.5 threaded bolts. Before purchasing, see Description section for additional fitment information. [SPECIFICATIONS] Pack of 10 | Extended 14x1.5 Threaded Lug Bolts | Ball Seat R14 w/ Swivel Seat Washer | 37mm Shank Length (ie thread length) [MANUFACTURING] Manufactured with cold forged steel. Zinc coating provides exceptional corrosion resistance and appearance. Additional Heat Treating Process ensures dependable strength & durability. [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 thickness you are using. (See Diagram Image) [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 R14 with Swivel Seat shaped bolts. (See Diagram Image)