Kleer-fax Standard Ring Book Indexes keep your ring binders and books organized. Kleer-fax Standard Insertable Indexes come complete with inserts. Kleer-fax Write-on Tabs feature 50% more writing area than other tabs. Kleer-fax Plain Die Cut Ring Book Indexes are the economical choice. Kleer-fax Pre-Printed Indexes are available with Laminated Tabs or Black Leather Tabs.