Four-drawer, vertical filing cabinet features steel ball-bearing suspension for smooth movement, a 28-1/2" depth, label holders for easy identification and a One Key core-removable lock kit. High drawer sides accept letter-size hanging folders without the use of hangrails. All four drawers have thumb latches and aluminum drawer pulls. Spring-loaded, follower blocks keep files upright. Follower blocks have positive, slide-action positioning that is adjustable on 5/8" centers. Black vertical file has a baked enamel finish over rust-inhibiting, phosphate pretreatment. Filing cabinet is certified by SCS to be in compliance with specific, indoor, air-quality emission requirements and meets or exceeds applicable ANSI/BIFMA standards..