• Advanced anti-theft protection with unique spline design and special key included. • Manufactured in high-strength carbon steel with black zinc coating. • Excellent resistance to oxidation, corrosion, and extreme weather conditions. • Precise compatibility with M14 x 1.5 mm thread for Golf, Passat, Jetta, Bora, and Beetle models. • Conical seat design ensures firm and secure fastening against impacts and vibrations. • Simple and quick installation allowing direct replacement of old nuts. • The kit includes 4 safety bolts and 1 coded key for handling.