ANSI/BIFMA approved. Heavy-duty reinforced steel construction. Smooth-gliding steel ball-bearing slide suspension. Full drawer extension for easy acccess to all files. High drawer sides hold hanging file folders, no hangrails needed. Spring-loaded follower blocks keep files upright. Interchangeable core-removable lock for convenient one-key access. Drawer pulls, thumb latches and label holders on all drawers. Durable rust resistant finish.