The Luxor AVJ42KB Adjustable Height Steel Cart With Pullout Keyboard Tray (Black) is an excellent multipurpose AV / Utility Cart. Its height is adjustable from 24" to 42" in 2" increments. This AVJ42KBAdjustable height cart comes with keyboard shelf. Keyboard Tray measures 18-3/4" x 11-3/4". Optional Big wheel models, drop leaf side shelves, cabinet models available. The Cabinet model has reinforced locking doors with full length piano hinges and is made from 20 gauge steel.