General description A selection of deep and shallow impact sockets with a 1/2" drive, designed for strength and durability. Technical specifications Number of pieces: 35 Drive size: 1/2" Shallow socket sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 30, and 32mm Deep socket sizes: 10, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30, and 32mm Material: Chromium-vanadium steel Hardness: HRC 42-48 Finish: Black phosphate Compatibility and accessories Compatible with any 1/2" drive ratchets, bars, and extensions.