Handy loose leaf binder rings are a great choice for fastening paper, as well as a variety of other items. You can count on them to lock securely and to open with ease. Convenient, 2" diameter rings securely hold up to 375 sheets of 20 lb. paper, making them a great choice for even your biggest projects. Made of tough, multi-layer, nickel-plated steel, they won’t crack or split, even with daily heavy duty use. Use them for documents or to link together a variety of materials. They're great for flash cards, scarves, paint chips, fabric swatches and creative crafts. A box of 50 rings is sure to be a big help in organizing your home, school or office.