Pendaflex SureHook supplies work great with any hanging file system. Pendaflex SureHook hanging file folders are designed to stay on the tracks of your file cabinets and file boxes. On Time Supplies discounts bulk orders and offers fast shipping, so you can get all the Pendaflex SureHook supplies you need with ease. If you need more information on the supplies featured at On Time Supplies, or on GSA pricing, call us toll free at 1-866-501-6055. We're happy to answer any supply questions.