General description Sealey AK5622 Premier Spline Impact Socket Bit Set is designed for durability and efficiency, featuring 3/8" square drive impact spline socket bits and an additional locking 1/2" square drive quick change adaptor. This set is ideal for daily professional use and is supplied in an EVA storage tray for easy organization. Technical specifications Manufactured from hardened and tempered Chrome Molybdenum steel Manganese phosphate finish for corrosion resistance Contents: 3/8"Sq Drive Sockets - M6, M8, M10, M12, M14, M16, M18 1/2"Sq Drive Quick Change Adaptor Model No. AK5622 Other information Lifetime guarantee* Part of a comprehensive range of Premier Hand Tools