The OEM Swingline Three-Hole Punch SWI74440 is a heavy-duty punch designed for efficiency and ease of use. It features a large T-shaped handle for greater leverage and a nontip base, allowing you to punch two to three 9/32" holes in up to 40 sheets. The heads can be adjusted to 10-1/2" centers for punching both letter-size and legal-size sheets, ensuring versatility in your document handling. With easy-to-adjust knobs that lock for accurate hole alignment and a large-capacity chip tray for easy emptying, this punch is ideal for both home and office use.