7.5 - 8in

(19.1 - 20.3cm)

8 - 8.5in

(20.3 - 21.6cm)

8.75 - 9.25in

(22.2 - 23.5cm)

9.5 - 10in

(24.1 - 25.4cm)

6.75 - 7.25in

(17.1 - 18.4cm)

7.25 - 7.75in

(18.4 - 19.7cm)

7.75 - 8.25in

(19.7 - 21cm)

8.25 - 9in

(21 - 22.9cm)