Three-part telescoping slide suspension. Lock secures both sides of drawer. Mechanical interlock allows only one drawer to open at a time to inhibit tipping. Leveling glides adjust for uneven floors. HON® "One Key" interchangeable core removable locks. Four Drawers. Number of Drawers: 4; Drawer Configuration: File; Anti-Tip Mechanism Indicator: Yes; Anti-Tip Mechanism: Counterweight; Mechanical Interlock.