The Mustang Pro MPVW-CART-3X3 Ceiling Flat Panel Mount for 37" -- 75" LCD and Plasma TVs with a 900 lb load rating. Heavy-duty wheeled carts can be configured to facilitate multiple 63"+ displays mounted two high and two wide or three-high and three wide. Features a universal design with sturdy rubber casters, enabling smooth and agile mobility, easily fitting through doorways, hallways and other tight spaces. Includes lateral, vertical, horizontal and plumb adjustments and all necessary hardware needed to complete the installation. Both economical to ship and easy to handle on the jobsite, everything needed ships in standard size shipping boxes.