1/4"D socket bits: 2, 2.5, 3, 4, 5, 6, 7, 8, 9, 10mm. Length: 35mm. Manufactured from chrome molybdenum for impact strength with anti-corrosion black phosphate finish. Presented in an EVA foam tray convenient for user storage and limiting packaging waste. For use on 1/4"D impact and 1/4" drill drivers.