These binding screws are made of high quality steel, effectively enhance the capability of corrosion resistance and the decoration. There are three kinds of size in one pack to meet your need. Mainly used as binding post for book, documents, and album.
- Color: Silver.
- Material: Metal.
- Size: diameter 3/16 inch (5mm), length: 1/4 inch (6mm), 3/ inch (10mm), 1/2 inch (12mm).
- Screws and nuts seal tightly and make binded objects firm.
- Well made of steel, they are rust resistant and wear resistant.
- Widely used as binding post for bookbinding.
- Easy to install and remove, can be used repeatedly.