Please be careful not to drop or apply pressure to the surface or corners, as this may cause dents or deformation. If you require a size other than those listed, please contact us using the contact form.
DELIVERY
This product is made to order. After payment is confirmed, it will take approximately 2 months for production and will be shipped once completed.
ABOUT RING SIZE
Number,Circumference,Diameter List of ring sizes, inner circumferences, and inner diameters
Japan (JCS)
Japanese Standards (number)
ID (mm)
Inner diameter (mm)
Circ. (mm)
Inner circumference (mm)
ISO
International Standards
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
GH
7
15
47.1
47
4-4.5
HI
8
15 1/3
48.2
48
4.5-5
IJ
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
LM
13
17
53.4
53
6.5-7
MN
14
17 1/3
54.5
54
7-7.5
NO
15
17 2/3
55.5
55
7.5-8
OP
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
TU
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 ) Ring gauge rental service available here
