This commercial electric punch from Swingline provides speed and high quality that you can count on for big projects. Plus, the punch's smooth, quiet operation makes it ideal for use in shared work environments. It punches up to 28 sheets at the touch of a button. Patented punch technology and touch-button control deliver clean and easy 3-hole results. The punch also includes a paper guide, built-in chip tray and 100% Performance Guarantee. High performance 3-hole electric punch. 28 sheet capacity. 9/32" punch hole diameter. Built-in vertical paper guide for easy punching. Black\Gray. Automatic jam reverse ensures trouble-free punching with fewer disruptions. 7. 5x19. 625x9. 188 (IN). Limited Lifetime 2 Year Warranty and a 100% Performance Guarantee. Electric. Precisely engineered for smooth function with less noise disruption, its an excellent choice for shared workspaces and quiet offices. Mess is minimized with a built-in plastic chip tray that slides in and out of the base. It stores paper scraps until you're ready to dispose of them. Swingline electric punch delivers high-volume performance.