Advance Computer Tables (CTM-31JS) Features: Constructed of heavy gauge steel that stands up to abuse in high use applications. Incorporate non-marring 4" locking casters for easy mobility. Adjust in height from 28.5" to 39.5" for ergonomic comfort. Provides a combination cable compartment and modesty panel and six outlet electrical assembly with surge protection. The CTM-31JS has 3 shelves, consisting of a shelf above the main for the monitor Dimensions: Width = 36" Height = 28.5"-39.5" Depth = 25"