Look no further for one of the smartest, most innovative hanging folders around. Features SureHookï¿½ technology with revolutionary built-in tension springs. Rods bend less while folders stay on rails and slide with ease. Rods and hooks are stronger and sturdier. Folders work with existing systems. Patented polylaminate reinforced tops and bottoms provide strength. Lighter interior helps prevent misfiles. New dispenser box for quick, one-at-a-time access. Includes tabs and inserts. Hanging File Folder Type: Standard; Size: Letter; Expansion: N/A; Material(s): N/A.