The Bosch socket set 2608551101 is designed for use with impact wrenches with an adapter or directly with impact wrenches. The Impact Control socket is exceptionally robust and intended for fastening hex screws and nuts with impact wrenches and sockets. The S2-modified steel and an optimized heat treatment process provide the socket with maximum durability for top performance. The socket is suitable for heavy fastening tasks as well as extensive assembly or heavy industrial work. The set includes 9 pieces: hex, 1/2" drive, suitable for manual and machine operation, long design. Sizes: 10 / 11 / 13 / 17 / 19 / 21 / 22 / 24 / 27.