GLOBAL INDUSTRIAL LOW PROFILE ADJUSTABLE KEYBOARD TRAY 20-1/8""W X 11""D BLACK THIS FUNCTIONAL TRAY WITH A WRIST REST ATTACHES BELOW THE WORK SURFACE. ADJUSTS UP TO 5-3/4"" TILTS 15 degrees AND SWIVELS 360 degrees. SLIDES OUT OF THE WAY WHEN NOT IN USE. THE LENGTH OF THE TRACK THE KEYBOARD SLIDES ON IS 5-1/8"" LONG. THE LENGTH OF THE TRAY THE KEYBOARD SLIDES ON IS 17-3/4"" LONG. THE LENGTH OF THE KEYBOARD TRAY IS 20-1/8"". THE WIDTH OF THE KEYBOARD TRAY IS 11"". OPTIONAL MOUSE TRAY (ITEM # 190289) IS AVAILABLE AND SOLD SEPARATELY.