This comb binding machine by Tianse is a reliable and efficient option for all your binding needs. With a binding sheet capacity of 450 and a punch capacity of 12 sheets, it can handle a variety of projects. The machine has been punch and bind tested and works perfectly. The brand is based in China and is ideal for use in offices, schools, or at home. Its compact size makes it easy to store and the binding process is quick and easy. Whether you need to bind documents, presentations, or even books, this machine is a great choice. It can handle a variety of paper sizes, and has a 21 holes. Comb Binding Machine works Perfectly. I tried it out and took a photo of it. There are a few scratches on the front due to normal wear. All Components are present, but I took the handle off for cheaper shipping. It's easy to put back on.