The Quasar+ Plastic Comb Binding Machine is perfect for meeting the binding needs of medium to large offices. The Quasar+ is a hard-working machine that can easily punch up to 22 sheets of paper at a time and can bind documents as large as 500 sheets using a 2" binding comb. The Quasar+ utilizes a vertical punching throat to help ensures accurate punch alignment. The Quasar+ features a built-in comb storage tray with a document measurement device for added convenience and quick set-up. It also includes an adjustable rotary edge guide to help center documents for punching.