Adjusts at assembly for sitting or standing. Includes four 3" single wheel casters, two locking, plus leveling glides for stationary use. Keyboard shelf with padded wrist rest at a 15° angle and adjusts from 24-1/2" to 34-1/2" high. Table adjusts from 26-1/2" to 36-1/2" high. 24w x 14d slotted printer shelf accepts dot matrix, ink jet, and laser printers. Stand Accessory Type: N/A; Material(s): N/A; Platform Type: N/A; Width: 30 in.