Add a sleek, professional finish to presentations, reference documents, proposals, and more with the Quasar E 500 Electric Comb Binding Machine. Featuring an easy-to-use, streamlined design, the comb binder allows users to punch and bind in a continuous manner, increasing productivity. The Quasar electrically punches up to 20 pages at a time and can bind up to 500 pages with a 2-inch comb. It features vertical document loading for accurate punch alignment, and a rotary edge guide to accurately center documents, ensuring all of your large office binding needs are met by one machine.