With World Class vertical and lateral files, you'll experience elite on-site records protection, elegant design and guaranteed durability. Class 350 - one hour fire-resistant. Impact resistant for 30 foot drops. Resistant to explosions of up to 2000°F. MTC Grade B rating protects CD's, DVD's, USB's and memory sticks. Labyrinth sealing system and special gaskets prevent water damage. Recessed drawer pulls, and lock any number of drawers and leave the rest unlocked for customizable privacy. Key operated plunger lock for security. Independent drawer insulation protects closed drawers if one is open during a fire. Inner steel jackets cover insulation and block access via unlocked compartments. Lateral files use a three way suspension for stability and feature an anti-tip safety mechanism that prevents opening more than one drawer at a time. Class 125 Media Insert available to protect data tapes and cartridges. Durable textured paint finish available in black, putty, or light gray. Please mark selection on your order. Available in three sizes: small, 31' W x 23 5/8" D; medium, 38"W x 23 5/8" D; and large, 44"W x 23 5/8"D.