The Neumann STV 20 mt stand extension is screwed between microphone stands (MF4, MF5) and swivel mounts SG21. Length: 200 mm (7.87in). Diameter: 19 mm (0.75in). We were a Neumann dealer and this extension has been stored in our warehouse for 15+ years.
This extension is new old stock and comes in its original box. The extension is factory sealed in plastic and has not been opened. The box shows a some wear from age and storage. (within the Continental United States only).