The innovative Corsa Series from Bush Furniture configures in dozens of ways, giving you the ability to create a very efficient and affordable private office environment. WC36790 Features Mounts to left or right side of Bow Front Desk, Manager's Desk and 66 x 30 Desk Shell. One box and one file drawer for storage needs File drawer has full extension ball bearing slides and accepts letter or legal size files One lock on file drawer secures both drawers for work place privacy Fully finished drawer interiors FinishMahogany DimensionsOverall 15 58W x 20 38D x 20HBox Drawer Compartment 12.20W x 16.38D x 3.96HFile Drawer Compartment 12.40W x 16.64D x 9.64H