- For various filling and drain plugs on oil sumps, gearboxes, and differentials 5 x Hexagon socket: dim. 8 - 10 - 12 - 14 - 17 mm for various car makers 3 x Square socket: dim. 8 - 10 - 11 mm dim. 8 e.g. Peugeot, Volvo, Renault, Nissan dim. 10 e.g. Ford, Volvo, Peugeot, Mazda dim. 11 e.g. other manufacturers 1 x Sliding T-bar 3/8\u201d, 200 mm long