Product Information : The Star+ is an easy-to-use, light-duty comb binding machine for the small office. Manually punch up to 15 sheets at a time and bind up to 150 sheets with a 3/4" comb. Vertical document loader ensures consistent punch alignment. Efficient design allows users to punch and bind in a continuous manner. Enhanced accuracy edge guide for pinpoint punch alignment. Document thickness/comb guide helps the user select the proper comb width. A convenient built-in comb storage tray keeps supplies handy. Binding Spine Type: Comb; Binding Sheet Capacity: 150; Punching Sheet Capacity: 15; Maximum Binding Edge: 12".