10 12 14 16 18
| 17" ~ 43 cm 18" ~ 45.5 cm 18.5" ~ 47 cm 19.5" ~ 49.5 cm 20" ~ 40.5 cm
| 15.5" ~ 39.5 cm 15.5" ~ 39.5 cm 16" ~ 40.5 cm 16" ~ 40.5 cm 16.5" ~ 42 cm
| 5-3/4" ~ 14.5 cm 5-3/4" ~ 14.5 cm 5-3/4" ~ 14.5 cm 5-3/4" ~ 14.5 cm 5-3/4" ~ 14.5 cm
| 12.5" ~ 32 cm 13-1/4" ~ 33.5 cm 13-1/4" ~ 33.5 cm 14" ~ 35.5 cm 14-3/4" ~ 37.5 cm
|