Loose-leaf rings made with multi-layer nickel-plated steel will not crack or split. Rings open and close easily and lock for extra security.
ACCO Brand hinged book rings are are easy to open and easy to close. All you have to do is pull these binder rings to open and squeeze them to close. And you get holding power you can rely on. These hinged book rings lock in place to securely hold pages.
You can use and reuse ACCO binder rings for years. The multi-layered nickel-plating won't crack or split. Thanks to tough steel construction, these rings retain their shape and holding power under heavy use.