The OEM Cardinal OneStep Printable Table of Contents and Dividers set includes 12 customizable index dividers. This system allows you to create custom index sets by printing onto the included Table of Content sheets. The set features matching, preprinted monthly tabs that can be used in either vertical or landscape formats. Designed for durability, the tabs and ring edges are reinforced to withstand heavy use, and the three-hole punched indexes are compatible with laser or inkjet printers, as well as standard typewriters.