Product Description: Ruler Ring
Ruler Ring
FACTRON Jewelry with a unique presence unlike anything else.
Designed to wear a ruler on your finger.
The scales are precisely engraved, so it can actually be used for measuring.
Made from machined surgical stainless steel 316L.
Original design.
Industrial design creates a new genre of accessories.
Since this item is machined from stainless steel, its size cannot be adjusted. Please be sure to order the correct size.





As shown in the image above, the length of the ruler part varies depending on the size.
For sizes 20 to 24, it is 20mm. For size 8, it is 14mm.