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Master Lock 265DCCSEN Dual-Function Security Bar

4.3 out of 5 stars 2,112 customer reviews
| 104 answered questions

Price: $19.98 & FREE Shipping on orders over $49. Details
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  • Dual function door security bar for hinged and sliding doors
  • Adjusts from 27-1/2in (70cm) - 42in (1.1m) to fit most standard doors and sliding patio doors
  • Top piece removes for sliding door application
  • Rugged 20 gauge steel construction, Padded foot provides sure grip without scratching
  • Pivoting ball joint assures full contact with floor
67 new from $16.93 5 used from $16.98
$19.98 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Master Lock 265DCCSEN Dual-Function Security Bar
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Total price: $60.94
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Product Description

Package Quantity: 1

Amazon.com

The Master Lock Dual Function Security Bar provides your home with an added dose of safety by reinforcing doors from outside intruders. Built with Master Lock's world renowned durability, the Security Bar is constructed of 20-gauge steel to withstand more than 350 pounds of force, helping ensure that your doors remain securely shut. With a versatile and adjustable design, the bar fits most hinged and sliding doors.


The Dual Function Security Bar offers:
  • Versatility to work with both hinged and sliding doors.
  • Full contact with the floor for better security.
  • Padded foot and non-marring yoke doesn't damage or scratch your home.
  • 20-Gauge steel construction.




A removable pin releases the yoke end for sliding door applications.

(Requires windows media player.)
Versatile Design for Sliding and Hinged Doors
Whether you use the Security Bar for sliding-door or hinged-door applications, you can rest assured that the bar's design features are optimized to keep you and your family safe.

For hinged doors, the bar features a pivoting ball joint that keeps it in full contact with the floor, providing a more stable and secure connection. Simply place the padded foot against your floor, and wedge the specially designed non-marring yoke beneath your door handle. The foot will give the bar a tight grip against your floor, and because both the foot and the yoke are padded, your floor and door handle will remain unmarred, even with everyday use.

To secure a sliding door, simply turn the bar on its side, remove the yoke by pulling out the pin, and adjust the bar to the length of your door. Once properly adjusted, the bar will create a firm seating between the door and jamb, ensuring that no one can enter the door from the outside. The Dual Function Security Bar is designed to fit most sliding doors.

Master Lock Durability
The Dual Function Security Bar is made of thick, 20-gauge steel for strength. Backed by Master Lock's reputation for security and durability, the bar can withstand over 350 pounds of force. It is backed by a lifetime guarantee.

About Master Lock
Master Lock is recognized around the world as the solid, enduring name in padlocks and security products. Generations have grown up with Master Lock products at home, school and work. Today, a whole new generation has discovered Master Lock's new and innovative security solutions.

As the largest global manufacturer and marketer of padlocks, Master Lock continues to build quality and value into its expanding lines of security products. Long a leader in the sportsman, home and yard, school, and commercial markets, Master Lock has also entered the automotive, computer and security markets. As safety and security gain importance with the world's consumers, Master Lock continues to develop products that offer smart security solutions.

Founded in 1921, Master Lock continues to build upon its founder's spirit of innovation, quality, and good value for the consumer.


What's in the Box:
Master Lock dual-function security bar

Product Information

Package Quantity:1
Product Dimensions 42 x 3.6 x 2.5 inches
Item Weight 2.3 pounds
Shipping Weight 2.5 pounds (View shipping rates and policies)
Department Home Improvement
Manufacturer Master Lock
ASIN B0002YUX8I
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Item model number 265DCCSEN
Customer Reviews
4.3 out of 5 stars 2,112 customer reviews

4.3 out of 5 stars
Best Sellers Rank #70 in Home and Kitchen (See Top 100 in Home and Kitchen)
#1 in Home Improvement > Safety & Security > Home Security & Surveillance > Home Security Systems

Technical Specification

Warranty [pdf ]

Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF ]

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Important Information

Safety Warning

Please note: The master lock door security bar is not designed as the primary locking device on your exterior door. It is intended as additonal security used in conjuction with your current door hardware.


Read about our customers' top-rated security and surveillance products on our review page: Security and Surveillance

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Item Package Quantity: 1
I read all the reviews before I tried this product. I am very concerned and picky shopper. I thought I would give this a try. I believe the key to this product is the flooring you are using this on. The foot on the lock works excellent on tile or wood. I would not recommend this product on carpet.

One key point to remember...the farther away you have the base from the door the less strength it has. Try to get it between 70 degrees and 80 degrees. I was able to knock it out of place at 50 and 60. I normally do not worry about safety; however, I am a heavy sleeper. I can fend for myself but I have to hear it first. Let me know if you found this helpful!
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I recently moved into a new apartment. And found the deadbolt to be insufficient. I went to the hardware store looking for something to fortify the door. I ended up purchasing this product and was initially unimpressed with its design. The height is adjustable based on the doorknob height. I found that after placing this snug under door as instructions indicate I pushed from the other side and the device quickly buckled. I simply replaced the pin from the top piece with a sturdy steel bolt and put the pin at the desired height. I tried to push my way in again and it was much stronger and and easy mod. I also placed the foot of the stopper about 12 inches from the base of the door instead of the recommended 15-18 inches. The reason I did this was you want to create a 90 degree angle when looking for strength and stability. I also added a inexpensive door alarm for the base of the door that is a secondary deterrent but also allows me to know the door has been breached and when to grab Mr. 12 gauge.
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Item Package Quantity: 1 Verified Purchase
With all the hype about bump keys (which basically renders most locks useless), I tried to think of something that can counter it. So far, this is the only thing that I can find short of buying a top of the line lock for a $80 - $200.

[Bad]

It's moderately effective with a low price.

It's lightweight and portable. You can bring it on trips.

It's versatile (it's adjustable and can be used on any door that swings inward and sliding doors)

This will slow down potential intruders, potentially either buying you precious extra time or alerting you.

You can use it as a makeshift bat if needed.

It has better quality than similar competitors.

[Bad]

It only slows down a potential intruder. It won't stop them. This device is common enough for them to think of ways of countering it.

Its effectiveness is only as good as how you place it. As the top review states, try to position this bar between 70 and 80 degrees when you install it behind a door.

The top piece that hooks into the door knob is made of cheap plastic. It will eventually break. Check it often.

Another potential point of failure is the metal, pop button lock. It will also eventually wear down and break, depending on how often the device gets pressure. Check it often.

[Misc]

Yes there are now many locks that counter bump keys. However, not everyone can change their locks, especially people who live in apartments.

Most sliding doors won't need this. Modern sliding doors have a screw lock that is more effective than bars or poles.
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Item Package Quantity: 1 Verified Purchase
I read some of the other reviews with some of the problems. This product works well! You just have to adjust the length so that the ANGLE is what keeps the door from opening. The pad at the bottom is not meant to hold it in place, it is the angle that causes that pad to stay in place. Make it short enough to have the angle cause it to lock the door and it will work very well on both tile and carpet. It is a great additional security to any door. I use it on my doors at night for extra security. It is easy to put in a closet and out of the way when not in use. Great product and the price is good too. Ignore those who had trouble, I really think they just didn't adjust it correctly. I tried to enter the house from the outside on two doors (one carpeted floor and one tile) and found that when I got the length and angle right, that it was nearly impossible to open the door. This is a very good product and if you are considering it, buy it. If you have trouble at first, just work on the length and angle (shorter is better if it is giving you trouble) and it will work.
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For those people who live in an apartment where they're not allowed to modify the locks on their doors, or not allowed to add a security chain or other device, this will work for you. Easy to use, and I had my 6 foot tall son try to get in the door after we had it in place, and he couldn't budge it. A good security item at a reasonable price, and it works!
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Item Package Quantity: 1 Verified Purchase
The device does what is suppose to. If someone wanted to break in the front door of our apartment they would have to kick it down... and we would actually hear it.

We were more afraid of someone "sneaking" in the place, rather than breaking in.

When it is stretched out to the fullest it seems a little flimsy.

An Added bonus is that it also works as a door stopper to hold the front door open.
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