Optima Grip Electric Stapler offers convenient plug-in or battery operation. Compact design lets you take reliable automatic stapling wherever you need it. Intuitive user control puts you in charge of where and when stapling activates. Insert paper for automatic stapling or press the comfortable grip and let the stapler's motor do the work. Electric stapler includes stack height gauge and staple placement guides. Delivers jam-free stapling of up to 20 sheets. Uses Swingline S.F.3 or Optima Premium Staples.