T10252, T10115, T10020, T40080. ✨ T40080 M10 Special Socket Highlight. T40080 M10 6-spline Polydrive socket. VW Golf 2.0 FSi / 2.0 FSi SOHC; VW Touran 2.0 FSi SOHC. Audi A3 2.0 FSi / 2.0 FSi SOHC. It features a6-spline Polydrive design, and isnot a standard Torx or RIBE socket, making it uniquely compatible with the camshaft adjuster locking bolt on these VAG 2.0 FSi engines.