The Mustang Pro MPM-X85U-EDU Mobile Carts and Floor Stands for 50″ – 90″ LCD and Plasma TVs with a 300 lb load rating. Mustang AV’s heavy duty mobile cart for extra large displays is made for high traffic environments. Choose from a variety of preconfigured models or build your own specific configuration a-la-carte. Side shelves are designed for heavy use of presentation laptops and can be vertically adjusted without the use of tools as well as swiveled continuesly up to 45º in front or behind the display. Side shelves also easily retract for transport and storage. The solid front/back shelf can be mounted either in front or behind the display at any height position.