30-Piece Loose Leaf Binder Rings 25mm, Metal Book Rings for Index Cards, Loose Leaf Binder Rings for Paper Notebooks Office

Outer diameter size 1-inch/25mm metal binder rings, 30 pieces per pack, enough for daily use., Silver metal office book rings, nickel-plated, sturdy and durable, hard to rust and break., The metal book ring has 2 parts and is linked together by a swivel rivet, just pull to open and squeeze to close., Suitable for book, loose-leaf, scrapbook, album binding recipe, sample book, keychain key rings, and flashcard, etc., Great for use at home, school, or office to keep materials organized in custom bound books., Metal binder rings are stronger and more durable than other common binder rings. Loose leaf binder rings can be easily opened and closed to help you work quickly without hurting your hands. You can use them for art&crafts projects, scrapbooking, no