This Febi Bilstein Nut is a high-quality replacement part designed for Mercedes Benz vehicles. It offers OE matching quality and a precision fit, ensuring reliable performance. The nut has an outer diameter of 25 mm and an inner diameter of 12 mm, with a spanner size of 19. It features a male hex bolt head/nut design and a thread pitch of 1.5 mm, with an internal thread size of M14 x 1.5. This product is classified as a spring clamp nut. Always check compatibility with your vehicle before purchase. Manufactured by Febi Bilstein, known for its automotive expertise and quality parts. This product is shipped from the UK and offers a 60-day return policy. Compatible with OEM references such as CHRYSLER 05103727AA and MERCEDES-BENZ 0009900059.