Specification model:

6-7

8-10

9-11

10-12

11-13

12-14

13-15

13-16

14-17

16-18

17-19

18-21

19-22

22-24

24-27

27-30

30-32

10-12+14-17+19-22

Bulk 4-piece set 6-12

8-10+10-12+13-15

8-10+13-15+17-19

Bulk 6-piece set 10-18

13-15+14-17+18-21

14-17+19-22+24-27

17-19+18-21+22-24