Entegrade 2x2 Video Wall Display Cart makes it possible to construct video walls in prominent locations for temporary applications 2 x 2 video wall cart can mount four flat panel displays randing from 32" to 55", weighing up to 100 lbs. (45kg) each The arms have micro adjustment knobs, which allow you to fine tune the leveling and horizontal positioning, without the need to disassemble the cart. Minimum VESA Size:75 x 75