Expert Quality, sockets manufactured from hardened and tempered chrome vanadium steel with sand blasted Ribe® ; bits of S2 silicon steel. Packed in blow mould case. Display packed. Contents: 1 x bit holder 10mm x 3/8" sq. drive, 1 x bit holder 10mm x 1/2" sq. drive, 10 x 30mm Ribe® ; bits: M4, M5, M6, M7, M8, M9, M10, M12, M13, M14, 10 x 75mm Ribe® ; bits: M4, M5, M6, M7, M8, M9, M10, M12, M13, M14