11.91, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

20.24, IS 5102 - 1969 BS 328 (PART 1) 1986, Long, 1 Pc, HSS, Parallel Shank Twist Drills, Addison

4.04, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

12, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

20.25, IS 5102 - 1969 BS 328 (PART 1) 1986, Long, 1 Pc, HSS, Parallel Shank Twist Drills, Addison

4.09, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

12.2, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

20.5, IS 5102 - 1969 BS 328 (PART 1) 1986, Long, 1 Pc, HSS, Parallel Shank Twist Drills, Addison

4.1, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

12.3, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

20.64, IS 5102 - 1969 BS 328 (PART 1) 1986, Long, 1 Pc, HSS, Parallel Shank Twist Drills, Addison

4.2, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

12.5, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

20.75, IS 5102 - 1969 BS 328 (PART 1) 1986, Long, 1 Pc, HSS, Parallel Shank Twist Drills, Addison

4.22, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

12.7, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison