Thank you for viewing. This is a roller-type slide rail for drawers, etc. It comes with screws for immediate installation. I opened it once, but it's unused. ● Material: Body: Steel/Epoxy resin Roller: Resin ● For drawer length (depth): 300mm ● Slide travel (extension length): 215mm ● Load capacity: 25kg Although it is unused and has no dirt or scratches, please purchase it with the understanding that it has been stored at home. Please use it for your DIY projects.