Get style and security and edit-ability with MasterBind Linen Binding Channels. Metal binding allows for secure binding with the option for easy editing. And editing is easy, since no punching or gluing is involves in the binding process. Plus, these linen binding channels provide a softer touch than other hard metal binding spines. Documents made with metal binding make great for manuals, notebooks, photo books, portfolios, catalogues, or any other document that needs to be securely bound. Sheet capacity ranges from 20 to 300 sheets of 20lb paper, depending on which size of spine you get. Bind your hard work together with linen covered metal binding channels.