The K&M 21326 is a durable adapter sleeve with an internal diameter of 38mm, finished in black. Designed to reduce larger mounting sockets for compatibility with standard 35mm speaker poles or accessories, it offers a secure and stable fit for loudspeakers, distance rods, and lighting stands. Constructed from high-quality materials for long-lasting performance, it’s ideal for live sound, rental, and installation environments where adaptability and reliability are key.