Hanging Clamp - 24" Width - 6 / Carton - Silver Color - Aluminum Material by Mayline
Each 24 wide clamp securely grips up to 20 lb. or 100 sheets of drafting vellum, tracing paper or blueprints without punching or stapling. Includes solid steel wing knobs and spring clips for maximum durability. Steel wing knobs turn easily for easy opening and secure closing. Clamps are interchangeable with the systems of other manufacturers, so you can easily integrate them into your existing system. "