Generous 28"W x 19-3/4"D top is sized to fit most office machines. Six sorter shelves form up to eight letter-size compartments. Shelves adjust in 1-1/4" increments or can be removed to increase compartment size. Double doors conceal a 26"W x 17-7/8"D x 14-3/4"H storage compartment. Rolls smoothly anywhere on four swivel casters (two locking). Constructed of tough 3/4" furniture-grade wood with stain and scratch-resistant laminate finish in Gray, Mahogany or Medium Oak. Quick and easy assembly.