This is a high security TL-15 burglary rated safe used in commercial and residential applications to protect high value assets from both burglary and fire. The TL-15 burglary rating means that during extreme testing procedures by experienced UL experts this safe demonstrated the ability to withstand severe attacks using powerful tools such as sledgehammers, power saws, carbide disc cutters, drills, etc. The TL-15 burglary rating also means this safe qualifies for Mercantile & Broadform Insurance Class ER with a Bank Rating of BR.