These 50 pcs binder rings with 1 mental hole puncher are made of high-quality metal materials and feature multi-layer, nickel-plated steel rings. They are sturdy, resistant to rust and discoloration, reusable and have a long service life. These metal binding rings can hold up to 175 sheets of 20 lb paper. The single-hole puncher can punch 5 to 8 sheets of paper at a time. They are very convenient to use. When opening, apply vertical force first, then gently pull horizontally. When closing, they are tightly connected and will not easily open. They can be used to organize files, photos, books, notes, documents, contracts, scrapbooks, cards, keys, etc., helping you better organize your materials

Specifications:
Color: Silver
Size: 1 inch
Quantity: 50 pcs
Material: High-quality metal material

Packages:
50 pcs book rings with 1 pack metal single hole punch