Uploaded July 2021 | Updated September 2026, 3 weeks ago
Reset Master lock Code on 3 and 4 digit locks that do NOT have a key for setting the code. Change your combination when you first buy or when you need to change for additional security.
amzn.to/37jOKYB - you can buy this lock on Amazon and support my YouTube channel at the same time! Thanks.
I've had this $8 masterlock (part number 643D) for 15 years and it's still working on my shed. It's a little worn, but still functions and I just changed the code because we accidentally shared the code with someone we should not have shared with. Oops.
Reset Master lock Code on 3 and 4 digit locks that do NOT have a key for setting the code. Change your combination when you first buy or when you need to change for additional security.
amzn.to/37jOKYB - you can buy this lock on Amazon and support my YouTube channel at the same time! Thanks.
I've had this $8 masterlock (part number 643D) for 15 years and it's still working on my shed. It's a little worn, but still functions and I just changed the code because we accidentally shared the code with someone we should not have shared with. Oops.
