General description A set of universal joint metric Hex socket bits ranging from 3mm to 10mm in two drive sizes, designed for versatility and ease of use. Technical specifications Socket bits sizes: 3mm, 4mm, 5mm, 6mm (1/4""D); 7mm, 8mm, 10mm (3/8""D) Material: Satin finish chrome vanadium for sockets; impact grade S2 steel for bits Other information Presented in an EVA foam tray for convenient storage