Special profile socket set which removes standard, damaged or rounded nuts. The unique cog-style socket profile is designed to grip even badly damaged fixings, the open corners allow the socket to fit over the damaged head while the curved internal faces provide excellent grip. This thirteen piece set includes socket sizes from 8mm to 19mm and a 1/2"D to 3/8"D adaptor, all manufactured from polished chrome vanadium and presented on a socket rail for easy storage. Socket sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm.Socket profile designed to fit damaged & undamaged fixings. Includes: 1/2"D to 3/8"D adaptor. Supplied on a socket rail.