13.5cm inside size 21

14.0cm inside size 22

14.5cm inside size 23

15.0cm inside size 24

15.5cm inside size 25

26 yards inner length 16CM

27 yards inner length 16.6CM

28 yards inner length 17.2CM

29 yards inner length 17.8CM

18.4CM inside size 30

19CM inside size 31

The inner length of size 32 is 19.6CM

The inner length of size 33 is 20.2CM

Inner length of size 34 20.8CM

21.4CM inside size 35

22CM inside size 36

21-25 yards, 5 pairs in one hand

26-30 one-hand shot 5 pairs

31-36 one-hand shot 6 pairs