HEAVY DUTY PROFESSIONAL GRADE: The Rocelco VSTC is specified for purchase bids by many school boards, plus perfect for conference rooms, living rooms or anywhere a smooth stable rolling TV cart is required. Metal casters feature 4 large 2.5 rubberized wheels, with a flip-down locking brake on each wheel. Most other models use inadequate 2 wheels. Please see the video to check out the strength and stability of the Rocelco VSTC. FITS TV OR MONITOR FROM 32 to 70 UP TO 100 LBS: Universal TV mounting pattern design up to 600x400mm. TWO SHELVES INCLUDED: 19.7W x 12D main component shelf holds laptop, DVR etc. plus 10W x 5D top hat adjustable height shelf holds a webcam. Load rating 10lbs per shelf. TELESCOPIC POLES: Allow for flexible height adjustment up to 70 from floor to top of TV mount, please see dimensional diagram. INTEGRATED CABLE MANAGEMENT: Keeps wires neat and safe.