World Class Lateral File combines powerful protection and heavy-duty storage to meet your filing needs. Fire-resistant feature outlasts the harshest flames up to 1 hour. Individual drawer insulation prevents closed drawers from fire if one is left open. It also resists explosions up to 2000 degrees Fahrenheit and survives drops up to 30'. Labyrinth sealing system and special gaskets prevent water damage. Lateral file is MTC Grade B rated to protect CDs, DVDs, USBs and memory sticks. Easily access files using recessed drawer pull. Key-operated plunger lock provides security. Customize privacy by locking any drawer. All four drawers are equipped to handle legal-size/letter-size folders from front to back or side to side. Drawers use three-way suspension for stability and feature an anti-tip safety mechanism that prevents opening more than one drawer at a time.