This listing is for a specialist 7 point socket. Specifically designed to fit the 7 Point Brake Caliper Bolts used on Audi Q7, S4 etc Allows you to remove the claiper retaining screws without damage. Manufactured from C.R. - M.O. steel for maximum strength and long life. 14mm Size. 1/2" square drive. Will fit any 1/2" ratchet. Black finish. 50mm total length.