TruBind Coil-Binding Machine &ndash; TB-S20 &ndash; Professionally Bind Books and Documents &ndash; Office or Home Use &ndash; Adjustable Hole-Punching and Paper-Size Settings PROFESSIONAL & CUSTOMIZABLE BINDING  Create professional-looking bound books at home or in the office quickly and easily. The open-throat design allows you to insert large and non-standard page sizes to meet the specifications of your unique 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 Coil-Binding Machine has side and depth margin adjustments (2.5mm, 4.5mm, and 6.5mm), so you control where the holes are punched on paper of any size. 4:1 PITCH COILS  The TruBind Coil-Binding Machine uses 4:1 pitch plastic binding coils, which can be inserted quickly and easily by manually twisting the coils into the document. For a finished, professional look, use the included heavy-duty manual coil crimping pliers to finish the edges. 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.