Versatile Binding Folding Options: This electric paper binder handles stitching,edge binding,folding,and can perform these tasks together or separately for flexible document finishing. Stable Low Noise Operation: Features precision positioning,adjustable cardboard stops,and a synchronous belt drive that ensure accurate folding and creasing while minimizing operational noise. Five Saddle Stitch Positions: A heavy-duty machine equipped with 5 nail positions for A3 paper,capable of folding and binding 200-300 books per hour,producing professional-grade results. Large Paper Capacity A3+: Supports a maximum paper size of 317x440mm and binds up to 20 sheets of 70g paper. Adjustable guides and removable baffles accommodate various paper sizes. Wide Range of Applications: Suitable for offices,print shops,schools,and personal use,ideal for creating booklets,brochures,cards,invitations,menus,envelopes,and photos.