The Premium Height Adjustable TV Display Cart for 37in-70in Displays features a cold rolled steel frame and hand crank height adjustment mechanism. The durable metal fixture makes it easy to move flat panel screens up to up to 70in in size and weighing up to 110 lbs. Each black TV stand is VESA compatible and will fit most monitors with ease. The locking casters enable this unit to move the unit from place to place, then to stay in place, making it ideal for classroom or retail applications. This premium cart allows for placement of a laptop or other media devices on the included AV shelf for additional convenience.