Book ring,card ring,metal ring,Loose-leaf ring,color ring. There are including more than 10size Easy to use high quality

The binding ring is rust-proof,and easy to open. It's perfect for binding all of your custom creations. 

 

 

Some technical details as folows:

1  nicked-plating won't crack or split.

2  easy to operate-pull to open and squeeze to close.

3  tough steel rings can handle heavy use.

4  color:silver,golden,red,green,bronze,etc.

5  material Iron,brass,stainess steel

6  shape: round,oval,D shape, or others your want.

7  size:  over 10 sizes for choose.(min 14.5mm , max 90mm)

Black Loose-leaf book ring