- STABLE AND SEAMLESS MOVEMENT: Smooth crank adjustment takes your desk from sitting to standing in less than one minute; lower surface adjusts from 29"? "“ 43"?; upper surface adjusts from 33.5"? "“ 47.25"?- ERGONOMIC DESIGN: Two-tier design keeps your arms at a 90-degree angle while typing and your computer monitors at eye level; helps improve posture and minimize discomfort- MOBILE WORKSPACE: Quickly move your desk from one room to another across a variety of surfaces with four caster wheels; lock front two wheels in place for stationary work- LONG-LASTING DURABILITY: Frame is constructed of durable steel and has a powder coat paint finish for enhanced quality- HEALTH AND WELLNESS: Standing desk encourages greater movement throughout your day while helping optimize your cognition, improve focus, enhance collaboration, increase productivity and boost calorie burn