Sealey AK5816M Impact Socket Set 1/2 Inch Square Drive Deep Metric (16 Piece) The Sealey AK5816M is a 16 Piece Chrome Vanadium Steel Impact Socket Set in sizes from 10mm to 32mm in a Carry Case. All the sockets are 78mm deep with 1/2 inch square drive. Features: Manufactured from Chrome Vanadium steel, hardened, tempered and with a phosphate finish for added corrosion resistance Deep six-point WallDrive sockets allows a transfer of up to 30% more torque to the fixing Comes With: Carry Case Life Warranty Specification: Model No: AK5816M Quantity of Sockets: 16 Type: 1/2\"Sq Drive Deep Size Coverage: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30, 32mm