Internal length:

26 length 15.6cm 27 length 16.2cm

28 inside length 16.6cm 29 inside length 17.2cm

30 length 18cm 31 length 18.8cm

32 length 19.3cm 33 length 20cm

34 inside length20.6cm 35 inside length 21.3cm

36 inside length 22cm