Pull-out keyboard tray. Constructed from an engineered thermoplastic resin, injection molded, that will not chip, warp, crack, rust or peel. All shelves have a 1/4" safety retaining lip and a raised texture surface that enhances product placement and ensures minimal sliding. Convenient leg room cut out in bottom shelf. Included is a 3-outlet UL listed electrical assembly with a 15 ft. cord, cord management wrap, and 3 cable management clips. Electrical attachment is recessed to insure passage through most standard doorways and other tight spots. 4" Silent-Roll, full swivel casters, max. weight rated at 125 Lbs. each. CPU Side Clamp On "H" models ONLY.