1.0- 6.0mm x 10 qty 0.5mm rises +3.2|4.2|8.0|10.0|12.0mm & 5/64-7/32In 10qty in1/64In rises +1/4|5/16| 3/8|1/2 Inch HSS P & N 200 Pce Drill Set - 165399200