The installing process is quite simple, get this bag and catch-it with your miter such as 255 model miter no tools required; if you have any other question on this item, we are always- glad to help There is a zipper at the bottom, more for disposal when you have collected- enough Empties- easily, large capacity. Captures sawdust to keep your shop and your work surface- cleaner.Prevents from catching in your eyes- or collecting in the kerf- The sawdust collection bag is made by- fine textile and great polyester materials, which is long-time use; also easy to disassemble for cleaning, keep your workbench neat and tidy- The miter bag can be compatible for so many industrial machine such as cutting machine, edge planer-, diagonal- tank- belt sander for its adjustable bag hood-, meet your needs for more occasions, Manufacturer: Yhplxyuus