Feature:1. Applicable Model: Extended wheel conversion stud is specially designed for European Vehicles. Replacement for MercedesBenz 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 StudMaterial: Steel (heat treated), with Zinc Plated (prevent rust)Quantity: 20Shank Length: Approx. 33mm or 1.3inOverall Length: Approx. 50mm or 2inGrade: Grade 10.9 (Factory OEM)Fitment: Fit for European Vehicles, replacement for MercedesBenz.Package List:20 xWheel Conversion Stud