Features SureHook® technology with revolutionary built in tension springs. Rods and hooks are stronger and sturdier with less bending. Folders stay on rails and slide with ease. Built-in 17 pt. Kraft dividers with 1" capacity dual fasteners. Polylaminated top and bottom add strength. Includes letter-size printer-ready inserts and 1/5 cut clear tabs. Folder Size: Letter; Total Number of Dividers: 1; Total Number of Fasteners: 4; Max Folder Expansion: 2".