This impact quality socket and bit set has been specifically designed for use on brake calipers fitted to a range of German vehicles, including Volkswagen, Audi, Porsche, BMW, Ford and Mercedes-Benz. This updated set also includes an M14 spline bit for use on the rear caliper bolts fitted to VAG vehicles. Applications include: Volkswagen, Audi, BMW, Ford, Mercedes-Benz & Porsche.1/4”D impact hex socket bit: 9 x 20mm long; 3/8"D impact hex socket bits: 7 & 8mm x 24mm long, 9 x 52mm long; 1/2"D impact hex socket bits: 7 x 60mm long, 7 x 100mm long, 11 x 100mm long; 1/2"D impact Spline socket bit: M14 x 100mm (VAG rear caliper bolts). 2 x specialist impact sockets: 1/2"D x 11.5 x 50mm long x 10 point (for Porsche); AS22 x 48mm long x 7 point (for Audi S5). 2 x 1/2"D impact sockets: 15mm x 50mm long x 10 point (Audi Q7, S8; Porsche Macan, Cayenne, Cayman). 20mm x 50mm long x 10 point (Audi A8, S6 and Porsche Cayenne).