The AV series are excellent multipurpose AV / Utility carts. Built to last with a lifetime warranty. Roll formed shelves with powder coat paint finish in black. Adjustable height from 24" to 42" in 2" increments. Tables are robotically welded. Cables 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. Includes safety mat. Shelves are 24"W x 18"D. Includes pull-out keyboard / mouse shelf and two 11" x 18" drop leaf steel shelves to increase work space.