Master lock padlock magnum covered laminated steel lock 1 7 8 in.
Hardened combination lock.
Us distributors may call 1 800 308 9244.
To crack a master lock combination lock download a lost combination form on the master lock website.
To change the combination on a set your own combination lock model 646d 647d or 646t follow these steps.
Hardened combination locks are designed to be more difficult to force open than regular combination locks.
However if you forget the combination it can be extremely difficult to gain access to your belongings.
With dials at 0 0 0 pull out shackle.
Hardened steel is the standard shackle material found on most general purpose padlocks.
A combination lock is a useful way of securing a cupboard or box and keeping important items safe.
They feature shackles of hardened steel that are resistant to standard lock picking methods.
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A combination lock is useful for your school locker gym locker bike or anything else that you d like to keep safely stowed.
Luckily there are ways to unlock a combination lock without knowing the combination.
If you want to know how to open a combination lock just follow these.
I show you how to unlock a combination lock without any tools.
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If the lock is not brought to the retailer or distributor we will not release the combination.
Ask the distributor or retailer to contact master lock for the combination on your behalf and we will validate ownership through them.
Turn shackle counterclockwise 90 1 4 turn and press it down.
Heat treated to harden it offers excellent cut resistance and can withstand severe physical abuse and tampering.
Set the dials to your own combination.
Continue pressing shackle and turn another 90 1 4 turn.
Once you ve completed the form mail it to the master lock warehouse along with a photo of the lock and the lock s serial number.
Then fill out the form and pay to have it notarized.
Boron hardened steel shackles are heat treated and hardened to resist being cut by saw blades bolt cutters and other tampering devices.