The Comb 3-Hole Pro is another one of the many innovative combination binding solutions from Sircle. The Comb 3-Hole Pro allows you to do the two most common binding methods, plastic comb and 3-Hole Punch, with one very simple to use unit. With a large manual punch capability this unit is a true time saver. Manually Punch up to 20 sheets for both Comb Binding and 3-Hole Punch. Bind your professional presentations and or documents in a snap.