High quality F/S Polypropylene Lever Arch File and File Folders, perfect for Home Office or professional organisation and archiving 75 mm wide spine holds up to 500 A4 sheets (80 gsm) with replaceable spine labels for easy identification of contents Power mechanism, which guarantees perfect pin and arch alignment even when the file is completely full Durable metal lever arch file mechanism for quick and easy filing, Convenient thumb hole ensures the file can be easily retrived from a shelf