Jewellery and Accessories

Inside Diameter

IN MM

0.586

14.88

0.602

15.29

0.618

15.7

0.634

16.1

0.65

16.51

0.666

16.92

0.682

17.32

0.698

17.73

0.714

18.14

0.73

18.54

0.746

18.95

0.762

19.35

0.778

19.76

0.794

20.17

0.81

20.57

0.826

20.98

0.842

21.39

Inside Circumference

IN MM

1.84

46.8

1.89

48

1.94

49.3

1.99

50.6

2.04

51.9

2.09

53.1

2.14

54.4

2.19

55.7

2.24

57

2.29

58.3

2.34

59.5

2.39

60.8

2.44

62.1

2.49

63.4

2.54

64.6

2.59

65.9

2.65

67.2

Sizes

US, CAN, MX UK, AUS, NZ, IRL, ZAF DE, FR ES, ITL JP,CN, IN, SA

4

H

46.8

6,5

7

4.5

I

48

8

8

5

J

49.3

9.5

9

5.5

K

50.6

10,5

10

6

L

51.9

12

11

6.5

M

53.1

13,5

13

7

N

54.4

14,5

14

7.5

O

55.7

16

15

8

P

57

17

16

8.5

Q

58.3

18,5

17

9

R

59.5

20

18

9.5

S

60.8

21

19

10

T

62.1

22,5

20

10.5

U

63.4

23,5

22

11

V

64.6

25

23

11.5

W

65.9

26

24

12

X

67.2

27,5

25