Elevate your work to new heights. Versatile table base with electric controls allows you to raise or lower your worksurface whenever you choose. By alternating between a sitting and standing position, you increase your productivity while reducing fatigue. Plus, standing while working burns almost a third more calories than sitting while helping to keep core and back muscles engaged. Accommodates worksurfaces (sold separately) from 30" to 77" wide and 20" to 30" deep including Alera® Valencia Series Training/Meeting Room Table Tops. Optional Leg Brace provides added stability when working at higher heights.