Smead stackable side tab letter size folder dividers with fastener, 1/2″, 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 then fits over the fastener in the file folder. Sections can be removed without disturbing the order of papers on the dividers. Classification folder type: folder divider; size: letter; cover material(s): 11 pt. Manila. this product arrives to most customers in 2-3 business days.