How To Open Master Lock Key Box (Without a Code)

How To Effortlessly Open A Master Lock Without The Combination – Lockpicking Steps

These lockpicking tips will assume you have access to a lockpicking kit or any standard pick. Either will work for the steps displayed below:

Step One: Purchase A Pick

Step one requires you to get a lockpicking kit or a think pick. A lockpicking kit can set you back around $30 but will work for various lock situations. For most standard Master Locks, you will only need the pick for this to work.

You can use any thin sheet of metal to get this done. The only requirement is that it has to be thin enough to fit between in the gap next to your number wheel.

Step Two: Insert The Pick Into The Small Gap Next To The First Number

Take the thin sheet of metal that you have and insert it into the small gap next to the first number wheel. Keep the pick in there for the entirety of this process. Provided that you do not apply excessive force, this will not break your lock.

Step Three: Find The Loose Spot In The Wheel

Begin spinning the first number until you feel it start to get loose. As the number wheel goes to this selected number, it will be much easier to move. So there should be little to no resistance from the pick once you keep the right number.

Step Four: Repeat With The Remaining Numbers Until The Lock Opens

With the pick remaining in the same position, continue to turn the numbers until they are in a “low resistance” position. Leave these four numbers in that position, pulling open the key box on your Master Lock.

These steps assume that you have the standard “number wheel setup,” where flicking the numbers up and down is the standard model of setting your combination. These steps will not work with the push button versions. Those are also just as easy to open.

Video: Open a Master Lock with No Tools

How To Crack The Master Lock Key Box – A Step-By-Step Guide

No tools are required to open this style of Master Lockbox.

Step One: Press Down On The Open Button

The simplest version of these Master Locks is all handled through notched rods. As a result, holding down the open button will cause the lock mechanism to seek out those rods. If the rods are all correct and pressed in the same order, the lock will respond by opening. In this case, you will be doing that backward.

Step Two: Press Down On The Keys To Look For Those That Give

Hold down the open button and press on each key to determine which ones give under your finger. Those that move should be mentally marked later, as they are in the four-digit code.

Step Three: Try Out The Four Buttons You Determined In The Previous Step

You will likely have to do this a couple of times to find the right order. Regardless, going from a nine to a four-button combination makes this easy. If you don’t want to go through these steps, you only have one final option.

How To Get Master Lock To Send You The Combination On A Serialized Lock

Step One: Fill Out The Lost Combination Form

You can find the form on Master Lock’s website. Fill out everything entirely while leaving the section for the notary public blank. Filling out that section will invalidate the paper and possibly lead to legal action.

Step Two: Locate A Notary And Have The Document Notarized

Step Three: Wait For Four To Six Weeks

Per Master Lock’s website, the standard time to wait for the factory reset combination is four to six weeks. If Master Lock is unable to do your lock, you can expect the response to be faster. However you get to open your lock, your next step will likely be to reset it. Having to repeatedly pick your lock to gain access to your key box would be a headache.

How To Reset Your Master Lock Key Box Combination

Step One: Open The Key Box

As you might expect, it is hard to reset the box without opening it. As a result, you will need to open it up before you can reset it. If you don’t remember the combination, check out the instructions mentioned earlier in this list. The combination is typically 0000 for new purchases. If that doesn’t work, check your owner’s manual.

Step Two: Push The Reset Button (Or Insert The Reset Tool) On The Inside Of Your Box

The inside of the box will typically have one of two methods for reset. First, there is a button that you can press down that allows you to reset the box. The button is the most typical option. Your other option is to find a reset tool that is with the initial purchase. The tool will resemble a small key that you can press to start the reset process.

Step Three: Rotate The Number Wheels To Your Preferred Code

After you press the button or insert the key, spin the box around so that you can access the numbers. Be sure that the box doesn’t close as you set the numbers to a unique code. When putting in the code, try to avoid things that are available on public access. Don’t use the last four of your SSN or the year you were born. Make sure it is nothing that people can guess.

Master Lock 5900d – What To Do If You Forget The Code

One largest key boxes you can get through Master Lock is the 5900d. Because it is still small in size, it follows many of the same techniques to open as the earlier how-tos we reviews. However, there are some reports that you can decode the lock by looking through the front. If that doesn’t help, use the same technique we mentioned earlier:

What If I Forget The Combination On My Master Lock Speed Dial?

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