The Five Crown 21 Holes Comb Binding Machine is a highly efficient and versatile binding solution, designed to handle both A4 and A5 paper sizes. This machine features 21 hole punch settings, ensuring precise and consistent perforations for clean and professional-looking bindings. It is perfect for binding reports, presentations, manuals, and other documents, providing a fast and effective way to secure pages together. The machine is easy to operate, making it suitable for both home and office use, and its quick punching mechanism saves time and enhances productivity. With its durable construction, the Five Crown binding machine ensures long-lasting performance and the ability to handle high volumes of work with ease.