Size table
26 yards / inside length 16cm
27 yards / inside length 16.5cm
28 yards / inside length 17cm
29 yards / inside length 17.5cm
30 yards / inside length 18cm
31 yards / inside length 18.7cm
32 yards / inside length 19.4cm
33 yards / inside length 20.1cm
34 yards / inside length 20.7cm
35 yards / inside length 21.3cm
36 yards / inside length 22cm
37 yards / inside length 22.6cm