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Master Lock 120Q Keyed-Alike Wide Padlocks, 3/4-inch, Solid Brass, 4-Pack

4.0 out of 5 stars 347 customer reviews
| 21 answered questions

Price: $10.28 & FREE Shipping on orders over $49. Details
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4-Pack
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  • The product is manufactured in China
  • The product is highly durable and easy to use
  • Easy installation and easy handling
  • Standard steel shackle
  • 3 Pin tumbler security
  • solid brass lock body is stylish and strong. With two keys
  • Four Pack provides keyed alike convenience
  • 3/4-inch wide body
21 new from $6.92 2 used from $10.28

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$10.28 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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Size Name: 4-Pack

Product Description

Size Name: 4-Pack

Product Description

Master Lock 120Q 4-pack of 3/4-inch wide solid body padlocks are keyed alike in the setup of 4. With standard steel shackle and three-pin tumbler security. Master Lock offers a full line of padlocks, chains, cables, and specialty locks for all of your needs.

From the Manufacturer

Master Lock 120Q 4-Pack of 3/4-Inch Wide Solid Brass Padlocks - Keyed Alike

Product Information

Size Name:4-Pack

Technical Details

Part Number 120Q
Item Weight 3.2 ounces
Product Dimensions 5.6 x 3.5 x 0.5 inches
California residents Click here for Proposition 65 warning
Item model number 120Q
Size 4-Pack
Color 3/4" 4-Pack
Item Package Quantity 1
Warranty Description Limited Lifetime Warranty

Additional Information

ASIN B00004Y8CQ
Customer Reviews
4.0 out of 5 stars 347 customer reviews

4.0 out of 5 stars
Best Sellers Rank #2,209 in Home Improvements (See top 100)
#9 in Home Improvement > Hardware > Padlocks & Hasps > Keyed Padlocks
#187 in Home Improvement > Contractor Supply
#581 in Home Improvement > Safety & Security
Shipping Weight 3.2 ounces (View shipping rates and policies)
Date First Available August 17, 2005

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 2-Pack Verified Purchase
Length: 0:53 Mins
The Master Lock #120 lock has a 20mm lock body. This is a small padlock, usually used for luggage and other small cases. Its small size, and brass body, make it perhaps attractive for locking small boxes and luggage.

Locks of this size are easy to break, so their use is mainly as a deterrent against casual snooping, and more importantly, as a seal, to indicate that the locked object was not tampered with.

For example, for use for gun cases, luggage, and toolboxes, the presence of the lock intact should indicate that the lock was not removed without the key.

However, there is a major flaw with this particular lock. The locking lever, the lever which locks the shackle into the body is exposed through the keyway. Since there is only one lever, it is trivial to insert any thin and sufficiently strong object and manually retract the lever, as shown in the video. A broken key extractor is being used for this purpose in the video, but any thin metal blade like object which can fit into the keyway can be used.

With this in mind, this lock should not be used when there are legal ramifications to believing the lock is secure, such as for luggage and gun cases. If one is responsible for the contents of the case, one cannot afford to have such a security vulnerability.

This bypass is a well known exploit of this kind of locking mechanism.
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Size: 4-Pack Verified Purchase
A good lock. The keys feel substantial. This lock is small but should stop or atleast slow down a theft of oppurtunity.
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Size: 2-Pack Verified Purchase
I was looking for luggage-style locks that were secure. These are perfect. They are about the size of a quarter and have a regular key (not one of those cheap, flimsy, mass-produced keys). I use them to secure small zip up bags. I drop these all the time and they take a beating without losing functionality. The price is right and the quality is great.
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Size: 4-Pack Verified Purchase
FYI - The description says there are 4 keys - there are only 2.
Purposely ordered this item so I wouldn't have to go make 2 extra keys - I need 4.
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Size: 4-Pack Verified Purchase
I bought these to use on a couple guitar gig bags and a pedal board case, and they're just the right size. These definitely aren't going to fit on much of anything except zippers or a small lock box, so you might want to double-check the specs and measurements on Master Lock's website. I did that very thing by entering the model number of this set, and it there was a diagram with every lock measurement you could possibly think of.
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Size: 2-Pack Verified Purchase
There they are, two small padlocks.

Note that these are very small locks...only 3/4" and lightweight. These are small indeed, but they'll still lock things up nicely. They are not indestructible of course, nothing is. But they will deter the casual interloper from getting into whatever you want to keep them out.
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Size: 4-Pack Verified Purchase
I have used the MS 140Q ( a larger version Master Lock ) prior to the 120Q and definitely recommend both. The design of the 120Q is very similar, it's just a smaller lock. Both are well made. I have put small colored stickers on the locks and their corresponding keys in order to quickly know which keys are for which locks. Although these are all keyed the same, I have a variety of locks and types and that system works great. I received a quantity of 112 small color variety stickers in 6 colors for $ 1.00 delivered. That system works great for me-
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Size: 2-Pack Verified Purchase
This is a solid little lock that can handle low-security situations on a daily based. If you are looking for a SMALL lock that can be carried around, this should work perfect for you.

If, however, you want some lock that looks big and intimidating, this one is probably not what you need. I would recommend you sketch out the lock on a paper based on the product description and decide if it will help you.

I would recommend a product picture with some reference object put side by side to the lock to give customers better sense of the actual size.
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