Say goodbye to sore hands with the Bostitch electric hole punch. Jam-free punching up to 20 sheets with the push of a single button, this automatic hole punch is here to bring you ease. This is the world's first dual loading electric hole punch, where you can load paper horizontally or vertically. With its non-slip base this suits any executive, administrative or home office user, by keeping the hole punch secure and prevent slipping. Electric or portable battery operation offers you effortless punching wherever you are. Wireless battery power makes this 3 hole punch ideal for portable use or hiding unsightly wires. Power the unit for wireless use with 6 AA batteries. Precision steel punch heads deliver clean punching of 20 sheets of paper at a time. The punch heads are a standard 9/32" width. You can accommodate various sized documents using the integrated adjustable paper guide. Use the paper guide for perfect hole placement every time, no matter the size of the paper. Each electric hole punch also features a chip drawer to keep your work area clean. To use this unit, insert your stack of papers into the unit's opening. The electric mechanism will trigger, punching a perfect set of holes in your document. It's that easy! Features a black and silver design for a professional and polished look!