The worlds best selling comb binding machine; easy handling, perfect for the small office and home use. No more mispunching, thanks to intelligent guidance. Patent pending. Performance: Maximum punch capacity of 12 sheets at a time or 1 front/rear cover. 21 punched holes per DIN-A4 page Binding: Spiral binding with a binding capacity of 350 sheets. For binding spines up to 38 mm diameter . Variety: For brochures, application folders, theses, menus, recipe books, reports, project folders, presentations, instructions, photo albums, calendars and much more. User-friendly: The classic binding system is easy to use. No more mispunching, thanks to paper guidance. Extras: You get a free 15-piece starter set. Practical: Easy to remove and exchange individual pages at any time.