Safco 1926GR 35" Wide Adjustable Height Workstation, 19-3/4d x 33h, Gray PVC Top Height adjustability in 1-inch increments Weight capacity is 100 lbs. for desk top, 25 lbs for keyboard tray Keyboard shelf is 30 3/4w by 13 1/2d and bottom shelf is 31 1/2 by 13 1/3 Work surface is 35 1/2-inch w by 19 3/4-inch d by 3/4-inch h Work surface Height 29-inch to 34-inch