Index dividers feature laminated side tabs that are labeled with a number on the front and back. Preprinted, 1/25-cut tabs are laminated for extra-long life. Letter-size dividers come unpunched for use in a variety of binding systems. The tab title is printed in Helvetica Bold type.KLF91052. 91052. KLEER-FAX Kleer-Fax 90000 Series Numerical Side Tab Index Divider.