Features: 1.Applicable Model: Extended wheel conversion stud is specially designed for European Vehicles. Replacement for Mercedes Benz and more. 2.Quantity and Size: The kit includes 20pcs wheel stud conversion adapters. The shank length is about 33mm or 1.3in, overall length is about 50mm or 2in. 3.Advantage: Wheel screw adapter allows for faster and easier wheel changes and allows the use of aftermarket tuner and racing lug nuts. 4.Fine Workmanship: Using heat treated 10.9 grade carbon steel with zinc coated to prevent rust, and a heat treated coating to prevent oxidation and protect the metal. 5.Dependable Quality: The manufacturing conforms to the standard specification, strictly follows the factory quality control, high performance and strong reliability. Specification: Item Type: Wheel Conversion Stud Material: Steel (heat treated), with Zinc Plated (prevent rust) Quantity: 20 Shank Length: Approx. 33mm or 1.3in Overall Length: Approx. 50mm or 2in Grade: Grade 10.9 (Factory OEM) Fitment: Fit for European Vehicles, replacement for Mercedes Benz PackageList: 20 x Wheel Conversion Stud Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.