Please be careful to avoid dents or deformation of the surfaces and edges due to dropping or pressure.
DELIVERY
This item is made to order. Please allow approximately 2 months for production after confirmation of payment; we will ship it as soon as it is complete.
ABOUT RING SIZE
NUMBER, CIRCUMFERENCE, DIAMETER Ring size, inner circumference, and inner diameter chart
Japan (JCS)
Japanese Standard (Size)
ID (mm)
Inner Diameter (mm)
Circ. (mm)
Inner Circumference (mm)
ISO
International Standard
USA
CAN
UK
AUS
NER
-3
11 2/3
36.6
-2
12
37.7
-1
12 1/3
38.7
0
12 2/3
39.8
1
13
40.8
41
1
C
2
13 1/3
41.9
42
2
D
3
13 2/3
42.9
43
2.5
E
4
14
44.0
44
3
F
5
14 1/3
45
45
3.5
G
6
14 2/3
46.1
46
3.5-4
G-H
7
15
47.1
47
4-4.5
H-I
8
15 1/3
48.2
48
4.5-5
I-J
9
15 2/3
49.2
49
5
J
10
16
50.3
50
5.5
K
11
16 1/3
51.3
51
6
L
12
16 2/3
52.4
52
6.5
L-M
13
17
53.4
53
6.5-7
M-N
14
17 1/3
54.5
54
7-7.5
N-O
15
17 2/3
55.5
55
7.5-8
O-P
16
18
56.5
56
8
P
17
18 1/3
57.6
57
8.5
Q
18
18 2/3
58.6
58
9
R
19
19
59.7
59
9.5
S
20
19 1/3
60.7
60
10
T
21
19 2/3
61.7
61
10-10.5
T-U
22
20
62.8
62
10.5
U
23
20 1/3
63.8
63
11
V
24
20 2/3
64.9
64
11.5
W
25
21
65.9
65
12
X
26
21 1/3
66.9
66
Y
27
21 2/3
68.0
67
Z
28
22
69.0
68
29
22 1/3
70.1
69
30
22 2/3
71.1
70
(*ID = Inner Diameter, Circ. = Inner Circumference) Click here for our ring gauge rental service.
