Electrically punching through up to 20 pages at a time and binding 500 sheets with a plastic comb, the Fellowes Quasar-E Electric Comb Binder is perfect for large and complex documents Working with speed and ease, this product is best suited to the busy office environment With a guide that allows you to get the correct size of comb for your document, and the vertical loading system ensuring greater accuracy, the chances of mistakes occurring are greatly reduced This binder is intuitive and can be used by anyone in your workplace without difficulty