16 yards, 11.5cm inner length, 17 yards, 12cm inner length, 18 yards, 12.5cm inner length, 19 yards, 13cm inner length, 20 yards, 13.5cm inner lengths.
22 yards, 14cm inner length. 23 yards, 14.5cm inner length. 24 yards, 15cm inner length. 25 yards, 15.5cm inner length. 26 yards, 16cm inner length.
Size 27 has an inner length of 16.5cm. Size 28 has an inner length of 17cm. Size 29 has an inner length of 17.5cm. Size 30 has an inner length of 18cm.
Size 31 18.5cm inner length
