Stackable End Tab Folder Dividers with Fastener, Letter, 1/2" Cap, 10 Sets/Pack For end tab or top tab folders. Allows you to create many filing surfaces for extensive categorization within a single file folder. Each divider has a punched hinge at top that fits over the fastener on the divider beneath it. Hinge is scored for 1/2" expansion. The bottom divider fits over the fastener in the file folder.