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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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