Powerful wire binder gives printed documents a high-quality, professional finish. Easily electrically punches up to 20 sheets at a time. Punch capacity is 20 sheets (80g/m² paper), with a binding capacity of 130 sheets using a maximum 14mm wire binding spine. Features punch head selection for A4 and A5 size documents. Includes an adjustable setting for closing the binding spine and an adjustable margin stop for precise alignment of the paper. The front pull-out storage tray holds binding accessories and includes a patented document and spine measurement function for quick selection of the appropriate binding spine. Includes a starter kit for 20 documents.