The Hollon MJ-2618C TL-30 Burglary 2 Hour Fire Safe has been tested to the extreme. This includes attacks by experts with safe cracking tools who are the best safe crackers in the world. If you're concerned about losing your valuables in a burglar or fire, the UL Listed TL-30 MJ Series offers both tool resistance and fireproof ratings above and beyond any of Hollon's other models they offer. This TL-30 (30 minutes of tool time) safe thinks it's a TL-60 (60 minutes of tool time). Not only does it have similar features but it has far exceeded every TL-30 test it has been put up against. UL engineers have attacked this safe with everything short of dynamite and plastic explosives. The tools include sledgehammers, pickaxes, crowbars, pry bars, power saws, chisels, drills, and rotating disc cutters and they were still unsuccessful.