Forget loose papers and disorganized binders when you opt for this convenient, easy-to-use metal round ring to bind your documents and materials. Constructed from durable, long-lasting metal finish material, our 2-inch metal round binder rings to keep all of your loose-leaf papers under control. You can use this Angle-D ring to replace any existing ring in your 2-inch binder for keeping classwork, company reference materials or any set of documents safe and contained. 11x17.com also offers 1-inch round rings.Rings not sold with any tools or instructions for installation. This ring does not require rivets to install.