Genuine VW/Audi Coolant Bleeder Screw-WHT000316 is a direct replacement for the original factory-installed part. It is made from high-quality materials and designed to keep your vehicle running smoothly by allowing air to escape from the cooling system. It features a 1/4 hex head and fits most Volkswagen and Audi models. This bleeder screw is a must-have for any VW/Audi owner looking to keep their vehicle in top condition.