21 inner length about 14cm

22 inner length of about 14.5cm

23 inner length of about 15cm

24 about 15.5cm long

25 inner length about 16cm

26 about 16.5cm long

27 inner length about 17cm

28 about 17.5cm long

29 about 18cm in length

30 about 18.5cm long

31 inner length of about 19cm

32 inner length about 19.5cm

33 inner length of about 20cm

34 inner length about 20.5cm

35 about 21cm long

36 about 21.5cm long

37 inner length about 22cm

38 about 22.5cm long