May 4, 2025 · While Master Locks are strong, cracking the code isn’t impossible. If you want to avoid cutting your lock open or breaking it, we’ve got you covered: we’ll give you a DIY method you can …

Feb 9, 2022 · If you have lost the code to your master lock, you will probably be on the verge of tossing that lock from a window or bringing out the bolt cutters. Rather than do that, we have a guide that will …

Open the lock box by entering the combination. If you're setting the combination for the first time, press the "CLEAR" (C) button and then press the "OPEN" button.

Nov 26, 2025 · This guide walks through safe, non-destructive techniques to open a Master Lock without the original code—using only patience, observation, and mechanical understanding.

Nov 16, 2025 · There are several ways to open a Master Lock lockbox without the combination, which we’ll walk through shortly. Sometimes lockboxes jam or lock up when you forget the code.

Quick video on how to open up the dial type master lock boxes without the combination. This method allows you to decode the combination and even change it once the box is open. ...more

While opening combination locks without a code may sound impossible at first, these three methods demonstrate that it is achievable with some knowledge and effort.

Nov 10, 2025 · Learn how to reset your combination lock without the original code. Includes step-by-step methods, troubleshooting tips.

Master combination locks are used to secure lockers at school, work or the gym, as well as shed doors and equipment chests. If you forget the combination and can't find where you stored the information …

Jul 17, 2023 · Learn how to open a Master Lock with our step-by-step guide, including tips for unlocking various types of Master locks to regain access quickly and easily.