BUILT TO OVER-DELIVER: the electric standing desk base features silky-smooth dual motors, adjustable width, memory, anti-collision, and over 13 years of production expertise that delivers an adjustable desk frame with everything you need and nothing you dont. PROVEN TO LAST: go with the trusted brand for electronic stand up desk legs. Uncaged Ergonomics has crafted this award-winning sit stand desk frame since 2010. DESIGNED TO OUTPERFORM: The electric desk frame has 2 motorized desk legs that effortlessly raise and lower your work surface. Fast, smooth, and quiet motors on this adjustable height desk legs effortlessly lift up to 250 lbs. BRING YOUR DESKTOP and flow between sitting & standing with the impeccably built height adjustable desk frame that adjusts in width to accommodate a range of desktop sizes from 23x43 up to 40x80+. QUALITY CONSTRUCTION: each component of this electronic sit stand desk frame is meticulously engineered to work together no generic parts here.