Thank you for viewing! ----------------------------------- Only one item available! First come, first served! Brand new, unused Free shipping! Immediate purchase OK! Please feel free to ask if you have any questions! We offer immediate purchase approval. Our store deals exclusively in authentic products, so please feel confident in making your purchase. ----------Product Description------------ [1]: Application - Loose-leaf book rings can be used in various situations, such as offices, classrooms, or homes. They are widely used for various purposes, such as loose-leaf books, paper cards, key rings, scrapbooks, handmade diaries, and document binding. They also support small cards such as photos, notebooks, word cards, index cards, and memory cards. [2]: Specifications - Color: Orange, Material: Carbon steel, Surface finish: Painted, Thickness: Approximately 2.5mm/0.1", Outer diameter: Approximately 30mm/1.18", Inner diameter: Approximately 25mm/0.98", Maximum opening width: 50mm/1.97". [3]: Design - The sturdy locking design of the O-ring does not come apart when folded, is easy to operate, and quickly and securely organizes the loose leaves of the book. It can also be used with straps or belts to extend or replace the length. [4]: Advantages - The round metal buckle is made of carbon steel, is lightweight and easy to carry, and has a painted surface, making it less prone to damage, rust, and corrosion. It can be used for a long time. [5]: Quantity - Set of 4 loose-leaf binder rings m28-15776.80