Wall Mount for Echo Show 21,Echo Show 15, Full Motion Articulating Arm TV Bracket, Adjustable Tilt Swivel, Holds 44lbs, VESA 75x75 100x100mm, Black. Heavy duty articulating arm holds up to 44lbs. ADJUSTABLE ARM:Wall mount features +5°/-15° tilt, +5°/-90° rotation and +90°~-90° swivel for better viewing angle.
eBay