25 [inner length 16.3cm]

26 inner length 16.9cm]

27 inner length 17.6cm]

28 inner length 18.3cm]

29 inner length 19.0cm]

30 inner length 19.6cm]

31 inner length 20.3cm]

32 inner length 21.0cm]

33 inner length 21.6cm]

34 inner length 22.3cm]