Choose code method: foot long, +0.5cm-1cm= shoes foreign minister (fat foot according to actual situation appropriately increase)

24/ shoes, foreign minister, about 13cm

25/ shoes, foreign minister, about 13.5cm

26/ shoes, foreign minister, about 14cm

27/ shoes, foreign minister, about 14.5cm

28/ shoes, foreign minister, about 15cm

29/ shoes, foreign minister, about 15.5cm

30/ shoes are about 16CM long

31/ shoes are about 16.5CM long

32/ shoes are about 17CM long

Manual measurement of +-2mm error exists