Set of 20 locking keys for the removal of security locking wheel nuts on Audi vehicles. Supplied with 1/2Sq drive 17mm key drive socket. For distribution to bona fide vehicle dealers and repair centres only. Contents: 1/2Sq Drive 17mm Key Drive Socket, Keys; A, B, C, E, F, G, H, I, J, L, M, N, P, Q, R, S, T, V, W, X.