Sparco Print-on Tab Dividers, Letter, 90 Bright, Unpunched, 50-Sheet per Box, WE (SPR21000) Economical, high-quality dividers with white tabs are designed for use in Xerox Docutech, 4135 and other single reverse-collated, tab-enabled printers Dividers are single-reverse collated and feature an unpunched edge for use with any binding system Each set contains five tabs