A-Z Index Dividers for 3-3/4" x 6-3/4" Mead 6-Ring Binders (46034), 13-Tab Set A-Z Index Divider Set for 3-3/4 X 6-3/4 Mead 6-Ring Binder 46034 Thirteen 3.75" x 6.75" Index Sheets with 2 Black Letters on Each Side Tab 6 Holes with Reinforced Strip on Each Sheet