Keep your 3-hole calendars neatly organized with our iron binder rings. These openable rings are ideal for DIY projects, allowing you to diy your calendar to suit your needs. Simply open the ring, insert your pages, and close it securely. These binding rings are also great for creating custom notebooks, planners, or even small scrapbooks. The sturdy iron construction ensures they can handle frequent use. Features -Color:Silver -Material:Iron -Size:4.00X2.00X0.25cm/1.57X0.79X0.10in -Wire Diameter: 2.5 mm -Inner Diameter: 20 mm -Ensure durability: constructed from iron, these binder rings are designed to offer good strength and durability. -Convenient snap closure: the easytouse snap mechanism allows for opening and closing of the rings -Versatile binding solution: suitable for a variety of applications, including calendars, notebooks, and index cards, these rings are highly adaptable -Secure clasp: the strong clasp ensures that your documents are held securely in place, preventing any accidental slips or losses -Great for diy: ideal for diy projects, these iron rings can be used to create binders, photo albums, and other items Package list: 10 x desk calendar binding rings