Long series, heavy duty impact Star* 1/2"D socket bit set from T50 to T100. 1/2"D socket bits: T50, T55, T60, T70, T80, T90, T100.Length: 78mm. 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.