Inside Diameter (mm)

RING SIZE

UK, AU, NZ, ZA

DE, FR

ES, IT

Asia, South America

15.6 mm

5

J

49.3

9,5

9

16.6 mm

6

L

51.9

12

11

17.2 mm

7

N

54.4

14,5

14

18.1 mm

8

P

57

17

16

19.1 mm

9

R

59.5

20

18

19.7 mm

10

T

62.1

22,5

20