Iron file ring

The description
Made of iron material, strong and durable, multi-layer nickel plated steel rings, rust-proof.
Easy to use: just pull to open and press to close. Used by professionals and students alike. Closed tightly and does not scatter after folding,
Use rings for loose papers, memo files, key rings, scrapbooking, binding recipes, photos, books, sample notebooks, scrapbooks, sample holders, knots, or files.
Made in China