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  1. How to Open a Master Lock Combination Lock without the Code

    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 …

  2. Lockstuff: Open Master Lock 5400D, 5401D without combination

    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 on...

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

    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 …

  4. Lost Combination Help & Replacement | Master Lock

    We can also help you find instructions to reset the combination on your Set-Your-Own Combination Locks. I've lost or forgotten the combination to my Master Lock lock. What can I do? You can …

    Missing:
    • code
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  5. How to Unlock a Master Combination Lock Without the Combination

    Move the Master lock's numbered dial clockwise; spin the zero past the indicator arrow for three consecutive passes. On the fourth pass, leave the zero under the arrow. Pull the shackle clasp up, …

    Missing:
    • code
    Must include:
  6. 3 Ways to Open Combination Locks Without a Code

    Here are three methods that can help you open combination locks without a code: 1. Using the Shim Technique: The shim technique is a common method used by locksmiths to quickly bypass …

  7. How To Reset A Master Combination Lock Without The Code

    This guide will walk you through the essential steps on how to reset a master combination lock without the code. Understanding the lock and its mechanics is crucial for successfully unlocking it.

  8. How to Open a Master Lock Without a Key | DIY Unlock Tips

    Nov 28, 2025 · Learn how to open a Master Lock without a key using simple DIY methods. Step-by-step tips, tricks, and when it’s time to call a professional locksmith.

  9. Unlocking the Mystery: A Comprehensive Guide to Opening Your Master ...

    Feb 27, 2025 · This article will provide a detailed, step-by-step guide on how to open your Master Lock if you’ve forgotten the combination, while also ensuring that you adhere to legal and ethical standards.

  10. 3 Ways to Open Combination Locks Without a Code - wikiHow

    Jun 29, 2025 · Whoops! You're totally blanking on your combination lock combo—but how are you supposed to get into your locker without busting out the bolt cutters? You've come to the right article. …