How to Pick a Master Padlock

Co-authored by Trevor Maclise and Kyle Hall

Last Updated: September 28, 2024 Fact Checked

If you need to get your master padlock open but you've lost the key, there's still hope. By using a lock picking kit or some homemade lock picking tools, you can unlock your master padlock without the key. Just make sure the master padlock your unlocking is your own.

Method 1

Method 1 of 2:

Using Bobby Pins or Paperclips

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1
Make a lock pick and tension wrench with bobby pins. To make the tension wrench, bend the closed end of a bobby pin until it's at a 90-degree angle with the rest of the pin. To make the single-pin pick, unbend a bobby pin so it's straight. Then, bend the flat end of the bobby pin slightly upward.
- Whether you use homemade tools or buy a lock picking kit, you will need a tension wrench and a pick (or a rake).
To make the tension wrench, take a paperclip and unbend all the loops except for one at the bottom. Then, bend the flat end of the paper clip until it makes a 90-degree angle with the rest of the paper clip. To make the single-pin pick, unbend half of a second paper clip. Bend the flat end of the paper clip so it goes slightly upward. ^{[1]
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The tension bar will hold open the keyhole for you as you work on picking the lock. ^{[2]
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The tension wrench won't go very far because the lock is locked. Turn the wrench as far as it will go and hold it in place using the same hand you're holding the lock with. You want to maintain pressure on the tension wrench the whole time you're picking lock. ^{[3]
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Insert the pointed end of the pick into the lock and hold the handle end in your free hand. ^{[4]
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Push the pin at the back of the lock up with your pick. Master padlocks have a series of pins that all need to be raised above the cylinder so the cylinder can rotate and unlock the lock. To find the pin at the back of the lock, gently push up on the top of the inside of the lock with the pin until you feel something push upward. Once you've found the pin, press down on the handle of the pick to lift the end of the pick and push the pin up above the cylinder.
- When you push up the pin, the cylinder will rotate slightly and catch the pin so it doesn't fall back down.
Work your way up the row of pins, pushing them up one at a time. If you encounter a pin that feels stuck, you may need to wiggle the pick up and down a few times to get the pin to go up. The last pin you push up should be the pin closest to the keyhole on the lock. Once all of the pins are up, the cylinder should turn — as long as you're still applying pressure to the tension wrench — and the lock should pop open. ^{[5]
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Remove the master padlock from whatever it was locked onto.

Method 2

Method 2 of 2:

Using a Lock Picking Kit

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1
Buy a lock picking kit for the best results. A lock picking kit will come with a variety of tools you can use, including a tension wrench, rake tool, and single-pin pick. If you're looking for the easiest way to open a master padlock, use a lock picking kit.
- You can order a lock picking kit online.
You'll use the tension wrench to hold open the small door over the lock hole, and to apply pressure to the lock cylinder. ^{[6]
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The tension wrench won't go very far because the lock is locked, but that's OK. You just want to turn it as far as you can and hold it there so you're applying pressure to the cylinder inside the lock. Use the hand you're holding the lock with to hold the tension wrench in place. ^{[7]
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The end of the rake tool with the teeth and ridges on it should be the end going into the lock. ^{[8]
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Push down on the end of the rake tool you're holding outside of the lock to get the end inside the lock to go up. Hold the handle of the rake tool down so the teeth stay at the top of the inside of the lock. ^{[9]
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Maintain pressure on the tension wrench as you do this. Continue to push down on the handle of the rake tool as you pull the tool out so the teeth scrape against the top of the inside of the lock. Once the tool is out, check to see if the lock is unlocked.
Use a fast, repetitive motion, like you're scrubbing the inside of the lock. Continue to apply pressure to the tension wrench as you bring the rake tool in and out of the lock. Eventually the lock should pop open. ^{[10]
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You can now remove the master padlock from whatever it was locked on. ^{[11]
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Community Q&A

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Question

Are there any other tools that can be used instead of a bobby pin?

Community Answer

You can use a paper clip, you just need to bend the metal a little.

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Question

What is better, bobby pins or paper clips?

Community Answer

They are both equally as useful, anything should work as long as it is roughly that size and is made of a malleable but reasonably strong metal.

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Warnings

Never pick a master padlock that doesn't belong to you.

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If you're picking a master padlock outside of your home, make sure you're doing it in a visible spot during the daytime so people don't think you're trying to break into someone else's belongings.

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Things You'll Need

Tension wrench
Rake tool
Single-pin pick
Bobby pins (optional)
Paperclips (optional)
Quik Stik(optional)
compressed air computer cleaner(optional)
hammer(optional)
side cuts(optional)
bolt cutters (optional)

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How to Pick a Master Padlock

Steps

Using Bobby Pins or Paperclips

Using a Lock Picking Kit

Community Q&A

Video

Tips

Warnings

Things You'll Need

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