Features include: Adjustable height from 24" to 42" in 2" increments. Tables are robotically welded. Cable pass through holes. 1/4" retaining lip around each shelf. 3-Outlet, 15' UL and CSA listed electrical assembly with cord plug snap. 4" ball bearing casters, two with locking brakes. Safety mats. Shelves are 24"W x 18"D. Pull out keyboard and mouse shelf. Cabinet has reinforced locking doors with full length piano hinges. Black only.