UL’s anti-theft classification of safes: R.S.C. cannot open the safe within 5 minutes with a normal 3-pound hammer, chisel, screwdriver, crowbar, or hand drill or make a hole of 4 square inches (hand size) in the box.

TL-15 Use ordinary hand tools, prying tools, portable machinery, power tools, abrasive tools, high-speed carbon steel drills with a diameter of no more than 0.5 inches (12.7mm), and pressure mechanical equipment. The door cannot be opened or on the door within 15 minutes And a hole of 6 square inches (38.7 square centimeters) is opened at the front end.

TL-30 Use the tools listed in TL-15, a grinding wheel cutter, and a power saw. You cannot open the door within 30 minutes or make a hole of 6 square inches (38.7 square centimeters) on the door and the front end.

RTL-30 Use the tools listed in TL-30 and the flame cutting machine, and cannot open the door within 30 minutes or make a 2 square inch (12.9 square cm) hole in the door and the front end.