Formerly referred to as Optima Grip, the Optima 20 Compact ensures comfortable handheld stapling. Operates quietly without compromising power or speed. Staples up to 20 sheets, Jam Free Guaranteed, with Optima Premium Staples. A cushion grip and ergonomic design, the Optima Grip staples automatically or use as a handheld. Runs on power via the included AC adapter or 4 AA batteries. Intelligent Paper Alignment Guide and Stack Height Gauge guides staple placement and ensure you don't exceed the maximum sheet count. The QuickLoad feature simplifies staple refilling. Just push a button and the staple magazine pops out from the front.