Value-priced fire protection for all your important files. Insulated steel construction with a durable powder coated finish. UL one-hour fire and impact tested. Locking drawers operate on full-extension ball bearing slides. Insulation between drawers makes each drawer a separate, fireproof unit. Accommodates Legal/Letter-Size Files (19.75" Drawer Depth)—Impact-resistant with one-hour fire protection up to 350° F. Drawer Quantity: 4; Drawer Configuration: File; Anti-Tip Mechanism Indicator: No; Color: Black.