TL30-423130 safe has been thoroughly tested by Underwriters Laboratories and passing the test to quilify for the TL-30 label. When you have a TL-30 rated safe this means that the door or front face of the safe held up against a 30 mintue entry attack. Another added bonus to this safe is that insurers will insure contents vauled up to $250,000. With the TL30 rating this type of safe that a jewelry store, bank, or pawn shop would use. You can't go wrong with this TL30 safe.