Expandable file hangs alongside your hanging folders in a file drawer. SureHook technology with longer plastic hooks and built-in tension springs make sure folders stay on track, slide easily and don't buckle under pressure. Use to presort documents for later filing, or as a tickler or hot file for current projects. Nine filing sections are equipped with preprinted A-Z tabs for quick identification. File also includes 10 pressure-sensitive blank tabs for customized headings. Gussets are reinforced with tape at the top.