Set Of Items Of Hss Taper Shank Twist Drill Bits Of Different Sizes 8Mm-10Nos, 13.5Mm-10Nos, 16.5Mm-10Nos, 17.5Mm-20Nos,21.5Mm-20No S,26Mm-16Nos & 42Mm-03Nos And 05 Sockets Of Different Sizes Mt1 To Mt2, Mt2 To Mt3, Mt3 To Mt4, Mt4 To Mt5 & Mt5 To Mt6 Each Sockets 03 Nos Required Of Is 5103:1969.