How big is the ring of children 12 constellation _/what is the ring of kloc-0/2 constellation?

Ring size 12 refers to a ring with a diameter of 16.5 mm and a ring circumference of 52.0 mm, and 52mm is the finger circumference of most adult women, so ring sizes 12 and 13 are also the most purchased ring sizes.

The method of measuring the ring size is as follows:

1, wrap a piece of Zhang Kuan paper around the root of your finger, and the tightness is appropriate.

2. Make a mark at the joint of the note with a pen.

3. Unfold the paper money and measure the length of the paper money with a ruler.

4. Select the corresponding ring number according to the size table.

5. According to the principle of thermal expansion and contraction, the ring size should be slightly smaller in summer and slightly larger in winter.