Typically a lock box is used to make a house accessible to real estate agents. The combination method is typically more secure, since keys can be lost or stolen. A key is locked into the container and then opened with a code that gets inputted manually. If the code was entered correctly, the latch depresses fully. Individuals often use key boxes to provide family, friends, and service suppliers with access to a locked home, or to add an extra layer of protection for the key to a gun case. If you forget or lose the combination, you lock yourself out from your own property. The supra combination lock box has been one of the most trusted door locks for the past forty years, and is commonly used by real estate agents for protecting their houses. How to Open Combination Locks Without a Code. Step 4 Push down on the bottom of the lid to release it, then lift the lid off of the lock box. Note that a standard 40-digit Master Lock has 64,000 possible combinations that may open the lock. A key lockbox is a simple storage device about the size of an iphone that can be attached to a door handle or wall. I forgot the combo to my Supra lockbox... now what? Spin the dial several times to reset it, then enter the combination again. When the lockbox lights up the keypad, enter your 1 day code. Combination locks are used for a variety of purposes, from school and gym lockers to securing items within the home. Agents can acquire the lockbox combination from the listing company and remove the house key in order to show the property to clients. Whether it's the satisfaction in knowing how to pick a lock or a more practical matter, like never being out of options when you forget your key, doesn't matter. This will "wake up" the lockbox. Key boxes are small locked containers that can attach to doors or walls and hold a key to a door or a secured cabinet. My house has a Supra key storage lock box on it, and it makes life a lot easier, but recently, i forgot the combo. The older the design open lock your try to break in to the less features it will have to stop you. But sometimes a combination lock can be too secure. Let's say you forgot the code to your Master Lock combination padlock. The lockbox hangs on the door of an unoccupied building, with the key to the building locked inside. On the lockbox's keypad, press and hold ENT. Melissa King Melissa King began writing in 2001. What can you do besides buy another one? (or try the same trick on a window.) Opening a lock, specifically a freestanding padlock, without a key is something that many people would like to learn how to do. However, don't let that discourage you. You can use the following instructions to open the key compartment of a lockbox with a 1 day code. i have a spare key, so i am able to enter my house still, but it is annoying to not be able to use the key in the lock box. Well, there's a surprising abundance of ways to open a combination lock other than with just the combination, some of which will even let you reset the code.