50pcs Metal Book Binder Rings 15-80mm Loose Leaf Hoops Keychain Office Binding Supplies

These durable, silver-tone metal loose leaf rings are perfect for organizing and securing various items. With an outside diameter of 20mm and a 2mm thickness, they are designed to easily open by pulling and close by squeezing. Ideal for loose-leaf books, memo filing, key rings, scrapbooking, and sample holding, these rings accommodate punched materials effortlessly.

Key Features:

- Material: Metal
- Color: Silver Tone
- Outside Diameter: 20mm (0.8 inches)
- Inside Diameter: 16mm (0.63 inches)
- Thickness: 2mm (0.08 inches)
- Net Weight: 74g
- Easy to open and close mechanism
- Versatile use for various organizational needs
- Package includes 50 rings (with a possible variation of +/- 2%)

Note: Due to lighting and display differences, the item's color may slightly vary from the images. Measurement error allowance is +/- 1-3cm.