The OEM CARL HC-340 Medium-Duty Hole Punch is designed for heavy-duty use, capable of drilling up to 40 sheets of standard 20 lb. paper. This punch is preset to create a three-hole pattern suitable for three-ring binders. It features a built-in paper guide for precise positioning and an oversized handle for easy open-handed punching. The punch also includes a large capacity waste tray and is constructed from heavy-gauge steel for durability.