Rapesco Adjustable 6-Hole Organizer/Diary Punch Compatible with diary/planner sizes A6, Mini, Pocket, Personal, Slimline, Compact and Agenda for on punch operation. IF USING FOR A5: Please view the instructional video for two-step punching and see content in description for diagram Adjustable paper guide arm marked with organizer/planner sizes can be pulled out and set to the desired size Punch out paper chips are stored in the bottom chip tray. The chip tray has a flip open base for easy emptying Punch handle has a lockdown switch for flat, compact storage Small, compact size. Punch measures 2.7 by 6.1" by 2.5" IF USING FOR A5: Please view the instructional video for two-step punching operation and see description for diagram