The TL-30 resides in a class of its own - it's protection surpasses everything else offered in the Browning ProSteel inventory. Featuring two layers of 11-Gauge steel enclosed around 2.5" of high-strength cement with L-bar reinforcement, this safe is a veritable bunker for your guns. This safe will withstand all but the most sophisticated and determined theft attempts and will withstand a 1750 degree inferno for two full hours!