Part of the Lorell Electric Height-Adjustable Workstation, this sit/stand desk frame adjusts quickly, smoothly and quietly with a gentle push of a button. Adjustment speed is 1.3" per second. Sit-to-Stand design is perfect way to increase your circulation, comfort and productivity. Flex frame is made with two square column legs and skinny 20" depth feet to allow more room for your feet. It adjusts from 27" to 46" high. Two-tier, extended-height base with narrow feet adjusts for 48" to 72" wide tabletops. Maximum capacity is 275 lb. Frame is compatible with 24" deep tabletops (sold separately)..