The SANUS WMS3 is a tilt and swivel wall or ceiling mount for small speakers up to 8 lbs / 3.64 kg. Its durable nylon construction features three locking ridged joints that allow perfect speaker positioning while maximizing strength and stability. Includes single- and double-hole brackets, an extension for ceiling use and decorative nylon caps to hide adjustment mechanisms. Weather resistant for indoor or outdoor use. Compatible with the SONOS�� PLAY:1 speakers and PLAY:3�� speakers when mounted vertically on the wall or ceiling.