21 yards/13.5 inner length

22 yards/14 inner length

23 yards/14.5 inner length

24 yards/15 inner length

25 yards/15.5 inner length

26 yards/16 inner length

27 yards/16.5 inner length

28 yards/17 inner length

29 yards/17.5 inner length

30 yards/18 inner length

31 yards/18.5 inner length

32 yards/19 inner length

21-26 sizes, 6 pairs in one hand

27-32 sizes, 6 pairs in one hand