"303 Acid ring". Designed by Japan.
Available in either stainless steel (antique bronze & gold plated) or silver.
The default size is 20.6 mm inner diameter but you can customize the size to your liking.
Click personalize to choose your US ring size.(Size support: # 7 to # 13.)
Please refer to a this page
. Conversion chart for ring sizes
US Ring Size Inside diameter
13 22.2mmPlease also see other designs.
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2.616 w x
1.592 d x
1.03 w x
0.627 d x