The Turtle file cabinet by FireKing is the perfect records protection for your home, personal office, or small business. With a UL 1-Hour Class 350 Fire Rating, the shell-hard Turtle line of products underwent grueling testing procedures to ensure that each and every model passes intense fire tests conducted by Underwriters Laboratories. These procedures exposed the cabinets to temperatures of up to 1700 degrees for an hour, resulting in the internal temperature not exceeding 350 degrees.