APS Keyless Combination Lock features 1 million changeable code in its 3 wheel combination lock set. APS Handle were designed to break upon impact or force entry to limit the accessibility of the safe in case of attack. Its spring loaded Active Lock Control system ensures the safe is lock at all times. APS Key Lock, tubular lock set with ball bearing indents for tougher lock picking. Offers 400 possible combinations. Tested in accordance to Japanese Industrial Standards – JIS S 1037:1989 & achieved an integrity of 60 minutes over 1 hours @1000°C. APS Vertical rebate is situated right behind the door acting as a safety latch to prevent door opening from cutting of hinges. Be sure your door will stay where it is even without its hinges.