●For adjusting the camshaft drive belt tensioner. ●Applications: Audi A1 and A3; Seat Mii and Leon; Skoda Octavia and Citigo; Volkswagen Golf VII and Up! ●Equivalent to VAG tool T10499. ●Specifically designed for use on the latest range of 1.0L, 1.2L and 1.4L belt driven turbo charged engines. ●Measures 30mm (across the flats).