MOBILE TV CART: Mount allows you to install a flat-panel TV monitor or interactive whiteboard wherever you need. Mobile TV mount fits most flat-panel displays from 55' to 85' up to 198 lbs. EXTRA STABILITY: Extra wide legs and durable three-inch swivel casters enable you to easily move your display from one room to another without risk of tipping over. The casters lock into place to keep the stand securely in place while at rest. FLEXIBLE VIEWING: Durable aluminum and steel metal frame withstands the stress of repeated adjustments and supports up to 198 pounds. You can raise or lower the height of the display from 71.3 to 81.5 inches above the floor. WIDE COMPATIBILITY: VESA-Compliant mounting provides universal hole patterns. This stand supports: 100x100 200x100 200x200 300x100 300x200 300x300 400x100 400x200 400x300 400x400 600x400 1000x400 and 1000x600....