AdirOffice 42" Blueprint File Storage Hanging Clamps (Pack of 6) CONVENIENT SIZE. This 42 file hanging clamp is conveniently sold as a 6-pack set, allowing you to safely store and hold a large number of documents. The jaws on the clamp open to 1" wide to easily and effectively hold all of your large files together in one place. STRONG, STURDY CONSTRUCTION. Attractively made using solid aluminum with sturdy steel, silver wing knobs, these hanging clamps are both visually pleasing and soundly durable to supply long-lasting strength and use for years to come. EASY TO ORGANIZE. The clamps come complete with transparent, snap-on plastic label holders for easy identification and retrieval. As a result, you can find what youre looking for when going through that huge assortment of files in no time at all. ACCOMMODATES LARGE FILES. Specifically made for blueprints, plan drawings, maps, layouts and other large documents, each clamp can accommodate up to 100 sheets or 20 pounds at the same time! Since the pack includes six clamps, you'll effectively be able to hold up to 600 sheets or 120 pounds at once! STYLISH AND PROFESSIONAL LOOK. These hanging clamps are attractive and professional looking, making them ideal if you plan on using them to hold documents for a presentation you're going to make. For added convenience, they are compatible with all Adir, Mayline, Alvin, Safco, Brookside Design and Sandusky racks.