Allows you to operate the air vent bolts on the rear axle without dismantling the wheels. The open design of the keys allows the passage of a silicone hose, e.g. a bleeder pump. ▪ 1 special ratchet 150 mm with angled head, fine toothed, switchable ▪ 1 vent key SW11, 20 mm short (e.g. VW Passat, Audi A4) ▪ 1 air vent key SW11, 65 mm long (e.g. VW Golf V, Audi A3, Seat, Skoda Octavia)