SONOS 2x Mount-It! Adjustable Speaker Wall Mount Set PLAY 1 PLAY:3 - $20 (potrero hill)

2x Mount-It! Adjustable Speaker Wall Mount Set for SONOS PLAY 1 PLAY:3 Screws into the screw socket at the back of the Sonos speaker.
(two complete mounts with swivel joint included, sorry pictures show only one of them) SET IS MISSING THE WALL BRACKET! Otherwise complete, with slide in socket and swivel mount.
Threaded screw of swivel mount can be screwed in any wall bracket.
Asking $20 or best offer Pls contact me for further information I am located in San Francisco, conveniently close to 101/280 freeways in Zip code 94107.