A ring with double lines.It is also called double can or Nicole.
It is often used for key chains.
A standard part that is convenient for passing keys and connecting parts.

A square push type ring with a triangular push process on the line.
* The cross section of the line is a triangle.

Stainless steel material is resistant to metal allergies and rust,
There is a sense of quality because it reflects a little matte light with the original texture of the fabric.
In addition, with nickel-plated double rings made of iron, darkening can occur on the overlapping inner parts, but since this double ring is made of stainless steel, darkening will not occur.