I did a lot of research before deciding on a heavy duty paper punch. I bought this swingline specifically to punch A4 paper (4 holes) for my planners. However, while clearing out my filing cabinet, I decided to also use it to better organize my messy, overflowing folder collection of user/installation guide files (appliances, electronics, appliances, etc.) so they can be stored in folders with three rings. Wow! This model easily punches 3 holes in 20/25 page manuals and brochures. It really…