General description Sealey AK56004 Premier Spline Impact Socket Bit Set includes 8 pieces of chrome molybdenum steel impact sockets with a 1/2" square drive. The set features phosphate finish for enhanced corrosion resistance and is designed for use with any impact tool. It comes supplied on a socket rail for easy organization and storage. Technical specifications Material: Chrome Molybdenum steel Drive size: 1/2" Sq Contents: M5, M6, M8, M10, M12, M14, M16, M18 Length: 80mm Other information Colour-coded rings for fast identification Lifetime Guarantee* Model No. AK56004