The OEM Swingline Four-Hole Punch SWI74450 is a heavy-duty punch designed for efficiency and durability. It features a large T-shaped handle for greater leverage and a nontip base, allowing for easy operation. This punch can drill two to four 9/32" holes in up to 40 sheets, making it suitable for various paper sizes including letter, legal, and A4 European sheets. The adjustable knobs ensure accurate hole alignments, and the large-capacity chip tray simplifies emptying. Constructed with a die-cast steel body, this punch is built to last.