Details: Insulated Two-Drawer Vertical File, 25 Deep, Legal Size, Parchment FireKing files carry Underwriters Laboratories Class 350one- or two-hour Record Protection Equipment classified as to Fire and Impact Resistance. During testing, files are subjected to temperatures of 1,700 F for one or two hours and impact-rated to Insulation between drawers makes each drawer a separate, fireproof unit. Water-resistantdesigned to prevent water damage resulting from sprinklers and fire hoses. Drill- and pick-resistant, UL Listed high-security key lock. Manufacturer`s lifetime warranty on all parts.