This easy to use, light duty comb binding machine is perfect for the small school office. It manually punches up to 15 sheets of paper at a time and binds up to 150 sheets with a 3/4" binding comb. Vertical document loader ensures consistent punch alignment. Efficient design allows user to punch and bind in a continuous manner. Features an enhanced accuracy edge guide for pinpoint punching alignment. Document thickness/comb guide helps user select proper comb width.