Inner length 11.5cm(16 yards)

Inner length 12cm(17 yards)

Inner length 12.5cm(18 yards)

Inner length 13cm(19 yards)

Inner length 13.5cm(20 yards)

Inner length 14cm(22 yards)

Inner length 14.5cm(23 yards)

Inside length 15cm(24 yards)

Inner length 15.5cm(25 yards)

Inside length 16cm(26 yards)

16-20 yards, 5 pairs in one hand

22-26 yards, 5 pairs in one hand

Inner length 16.5cm(27 yards)

Inner length 17cm(28 yards)

Inner length 17.5cm(29 yards)

Inside length 18cm(30 yards)

Inner length 18.5cm(31 yards)

27-31 yards, 5 pairs in one hand