All-Steel Frame, Manual Height Adjustment, 24" X 39" Work Surface, Radius Corners, Four (4) Dual-Wheel Locking Swivel Casters, Height Adjustment Range 31.25" to 51.75", Choice of Vacuum Formed ABS Top w/ Microban Antibacterial Protection, or Stainless Steel. MICROBAN antimicrobial product protection is available in BOYD's MIT worksurface to inhibit the growth of bateria that can cause stains, odors, and product degradation. Built in during the manufacturing process of the countertop material, it provides continuous antimicrobial protection that won't wash off or wear away. Unlike surface disinfectants that temporarily eliminate bacteria, Microban technology is built-in to provide an added level of protection keeping surfaces cleaner between cleanings. Microban protection is proven effective against a broad range of microbes.