STAND-WS30 - Three-shelf Adjustable Stand Up Workstation Workplaces in need of tools that will enhance collaboration, increase creativity, and improve employee health need to look no further than the Three-shelf Adjustable Stand Up Workstation. This compact standing desk fits into any environment, and its four rolling casters, two with locking brakes, make both mobility and stability simple. With a wide spectrum of height options (34.5-45.5? in 1? increments) and a keyboard shelf on a rolling track, this standing workstation can meet a wide variety of needs. Dimensions: 29.5? wide x 20? deep x 34.5-45.5? high (in 1? increments) Top shelf: 29.5? wide x 19.5? deep Keyboard shelf: 22.5? wide x 13? deep Middle shelf: 23.5? wide x 15.25? deep Bottom shelf: 22.5? wide x 11.75? deep Material: powder coated steel and high-density fiberboard Four 3? furniture casters, two with locking brakes