1. Size:1/4 inches to 1-1/2 inches 2. Pitch: 6mm or 8mm (the pitch can be changed according to customer's requirement)

1.Size: 1/4 inches to 1-1/2 inches

2. Color: main white and black at the same time you can choose according to the International Arranges code. (Pantone)

3. Pitch: 6mm or 8mm (the pitch can be changed according to customer's requirements)

4. It can be used in binding loose-leaf products, such as: notebook, book, instruction books ,photo albums and so on.

Any questions and requirements please feel free to contact me.