上工　直径9.0~12.9直柄麻花钻

9.1

9.2

9.3

9.4

9.5

9.6

9.7

9.8

9.9

10

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

10.9

11

11.1

11.2

11.3

11.4

11.5

11.6

11.7

11.8

11.9

12

12.1

12.2

12.3

12.4

12.5

12.6

12.7

12.8

12.9