Use this Height-adjustable Mobile Desk with convenient holders to move, stand and sit for a healthier workday. The gas-spring mechanism on the metal post raises the desktop up to 43-5/8" standing and lowers it to 30" for sitting. Squeeze lever to adjust height smoothly. High-performance, Weathered Charcoal laminate top is scratch-resistant for a lasting worksurface. Desktop is equipped with a built-in cup holder and tablet holder with three cable holes. You can roll your desktop where you need it and sit or stand in offices or meeting rooms. Four easy-rolling casters swivel to overcome corners and busy hallways. Two of the casters lock for stability while you work. Simply flip lock down to engage the brake. Metal base is powder-coated for durability.