TruBind Wire Binding Machine - TB-W20A - Affordable In-Office Book Binding - Uses 3:1 Wire-Loop Binding - Hole Punch up to 20 Sheets - Adjustable and Portable - Binds up to 120-Pages WIRE HANGER AND CLOSER - A 3:1 wire-loop binding is inserted in the top of the machine for convenient loading and closing. Twin-loop wire O-binding spines give a professional, finished look to any project FULL HANDLEBAR - Our sturdy-grip handlebar allows you to punch holes in your documents either left- or right-handed. Simply apply steady pressure to punch holes in up to 20 sheets of paper at a time MARGIN ADJUSTMENTS - Bind your own books of any size or shape. The TruBind Wire Binding Machine has side and depth margin adjustments, so you control where the holes are punched on paper of any size CUSTOMIZABLE BINDING - The disengaging pins let you control where the binding machine punches holes, and the open-throat design allows you to punch holes and insert binding in paper larger than letter size TWO-YEAR MANUFACTURER WARRANTY - We stand by the quality of our office equipment. If you are not completely satisfied with your TruBind Wire Binding Machine, just send it back for a complete refund