The Balt 46572 Hi Hi-Lo Workstation is the ideal compact workstation for a variety of environments. It holds a complete desktop computer system in a space-efficient form, and pneumatic height adjustment from 31 1⁄4" to 39 1⁄4" that allows the desk to be used as either a sit-down or stand-up workstation. Its keyboard shelf is retractable for easy access. Its adjustable CPU holder can be mounted on either side of the desk. It also comes with a black powder-coated steel frame with security rail on the top shelf, and 2" casters (two locking) for mobility. The shelves are teak wood-grain laminate. This workstation is TAA compliant and has achieved GREENGUARD certification.