Balt 83251 Split-Level Computer Training Table Base, 72w x 36d x 33h, Black (Box Two) Sold as 1 EA. Top and Base sold and shipped separately--ORDER BOTH. Versatile split-level design allows table to be configured in several ways. Monitor shelf 72 x 17, front worksurface 72 x 19. Both platforms are independently height-adjustable from 25" to 33" in 2" increments.