This listing is for a vintage Sony DDR-26R inner drum component, part number A-6052-138-B. This item was removed from service on 9/12/02 during troubleshooting of a DT problem. Handwritten notes indicate approximately 4000 hours of use and that it is still usable. The component is housed in its original Sony packaging with internal styrofoam protection. It appears to be an optical or rotary component, likely from a vintage audio/video recorder or player, such as a Digital Betacam or similar professional equipment. Please examine all photos carefully to ensure compatibility with your specific needs. This is a rare vintage part suitable for repair or restoration of compatible Sony equipment.