26mm Ball Joint VESA 75/100 Mount Bracket for Tablets
Amazon.com : VizGiz 6 Pack Tightening Nut for Replacement Car Mount Screw-On 17mm Ball-Joint Fixed Adapter Head Bracket Holder Ring for Phone Air Outlet Handlebar Kit Camera DVR Camcorder Wireless Charger :
Swivel and tilt ball joint bracket 15inch to 26inch screens up to 15kgs
WBJA Housing wall bracket w/ ball joint for Pelco/Videotec housings - Webshop Hatteland Technology - Sweden
Adjustable Speaker Wall Bracket - Ball Joint Mount
Surface mounting plate Type:Surface mounting plate for ball joint Material:Steel