Avery 11644 Post Binder Insertable Tab Dividers, 6-Tab, 11 x 17 Keep accounting ledgers orderly with Gold Line Post Binder Dividers. Each divider is slot-hole punched for easy insertion and features a reinforced binding edge for extra durability. Insertable tabs allow you to label the dividers by section. Both preprinted accounting inserts, including Expense, General Ledger, Payroll and more, and customizable blank inserts are included, making these dividers an accounting solution that really adds up.