These Electric Executive Height Adjustable Desk Bases Offer Beautiful Executive Appearance and The Quietest Operation Thanks in Part to the Heavy Metal Shield on the Motor. Studies show changing posture from sitting to standing position throughout the day help avoid the harmful long-term effects of too much sitting. Smart Buy’s Height Adjustable Tables are easy, quick and quiet to operate and offer the optimal vertical range to accommodate people of all sizes. Select from two sizes and 8 laminate finishes.