Buy from Amazon : http://www.amazon.com/gp/product/B001OHMZ9W?tag=wayofcats-20

VideoSecu Articulating Monitor TV Wall Mount for 15 - 27 display with VESA 75x75 100x100--Extends

Maximum Weight capacity 55 lbsVESA 75x75100x100 compliant
Extend Depth From Wall about 3 inch to 20 inchCable management
Swivel -90 degrees and tilt -15 degrees
Single stud mounting Heavy duty construction
Mounting screws included in package