"Quantum mobile computer center and mini LAN work center features 3 shelves, keyboard tray, document basket and locking casters. Material Type Steel, Wheel Type Poly stem casters, Color Chrome, Shelf Capacity lbs. 800 per shelf, Shelves qty. 3, Top Shelf Height in. 34, Wheel Size in. 3, Dimensions W x D x H in. 30 x 24 x 34. 3 no-tool adjustable shelves Keyboard tray Document basket Easy assembly"