TruBind Coil-Binding Machine - With Electric Coil Inserter - TB-S20A - Professionally Bind Books and Documents - Office or Home Use - Adjustable Hole-Punching and Paper-Size Settings ELECTRIC COIL INSERTER - Create professional-looking bound books at home or in the office quickly and easily. The TruBind Coil-Binding Machine electronically inserts plastic coils for faster binding. 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 Coil-Binding Machine has side and depth margin adjustments, so you control where the holes are punched on paper of any size. CUSTOMIZABLE BINDING - Disengaging pins let you control where the binding machine punches holes, and the open-throat design means you can 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 Coil-Binding Machine, just send it back for a complete refund.