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Regular – (2 Devices) Home Security Adjustable Window Security Bars/Window Lock Bar, Security Bar for Sliding Glass Door, Child Safety Lock & Sliding Patio Door Security Bar

4.3 4.3 out of 5 stars 1,846 ratings

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2 Device

Purchase options and add-ons

  • HIGH-IMPACT INDUSTRIAL STRENGTH ABS & PVC DURABLE: Plastic burglar bars for windows are used to block criminals from entering through open windows and sliding glass patio doors. Withstands repeated impacts! Windows can now stay OPEN while securely blocked at safe heights.
  • EXTENDABLE & ADJUSTABLE: Control how high you want the window to open with the 13 adjustable settings. Lock the height in place with the push of a pin. Used for Single-Hung Windows, Sliding Windows and Patio Doors. When the window makes contact with the Lock-it Block-it window security bars interior, it stops.
  • QUICK & EASY INSTALLATION: Our window lock bar / slide door security bar requires no tools as it is simply held in the window track by supplied adhesive strips. It doesn't fall out when the window is lowered and is easily removed in emergencies. An ideal replacement for those ugly wood blocks! It fits discretely in the window track and doesn't obstruct the view.
  • CYLINDERS ARE AS THICK AS TWO NICKELS: The unique double-headed push pin of our anti theft window bars for inside and outside security provides extra resistance from forced entry. Burglars can't reach the device from the outside when properly installed and adjusted. Block children from falling out of open windows with our effective window blocker security solution.
  • IMPORTANT: Before buying, measure the window/door track where the device will be placed. The regular sliding window security bar extends from 17 inches to 30 inches long (MAX length is 2 and 1/2 feet). Window tracks MUST be at least 1 inch wide. Window safety bar is 1 inch by 1 inch wide on all sides.
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Additional Details

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Customer ratings by feature

Durability
4.8 4.8
Easy to use
4.7 4.7
Easy to install
4.2 4.2
Sturdiness
3.7 3.7

Frequently returned item

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Frequently bought together

$29.99
Get it Apr 1 - 2
In Stock
Ships from and sold by Lock-it Block-it.
+
$24.99
Get it as soon as Sunday, Mar 31
In Stock
Sold by AceMining and ships from Amazon Fulfillment.
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This Item
The Lock-it Block-it Regular – (2 Devices) Home Security Adjustable Window Security Bars/Window Lock Bar, Security Bar for Sliding Glass Door, Child Safety Lock & Sliding Patio Door Security Bar
The Lock-It Block-It The Lock-it Block-it Regular – (2 Devices) Home Security Adjustable Window Security Bars/Window Lock Bar, Security Bar for Sliding Glass Door, Child Safety Lock & Sliding Patio Door Security Bar
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Price$29.99-11% $24.99
Typical:$27.99
$17.99$12.89$55.00$23.99
Delivery
Get it Apr 1 - 2
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it Apr 1 - 2
Customer Ratings
Easy to install
4.2
4.3
4.6
4.6
4.2
4.6
Adhesion
3.4
3.3
4.3
4.9
3.4
4.9
Easy to use
4.7
4.6
4.6
4.7
4.6
Sturdiness
3.7
4.7
4.5
3.7
4.5
Value for money
3.7
5.0
3.7
5.0
Sold By
Lock-it Block-it
Delmoar Home
NACETURE
PENMAMA
Lock-it Block-it
PENMAMA

From the brand


Product Description

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Make sure you, your family, and your valuable possessions are safe with our top-of-the-line Window and Door Security Bar. This versatile security solution combines the strength of a brace, the convenience of a pole, and the reliability of a stopper, providing the utmost security for your home, office, classroom, or any other space. Our window security bars, on top of your protective screens, keep kids away from restricted areas such as balconies and decks while allowing them to watch the world outside safely. You can also rely on our bars as a sturdy guard to prevent doors from opening against unwanted pests and intrusions.

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Safeguard your loved ones and valuables with confidence using these premium bars that offer extended reach and a customizable fit for all types of windows and sliding glass doors. Whether you need to secure your front door, back door, balcony, or basement, these bars are designed to adapt effortlessly to any space, providing a reliable defense against intruders. With their user-friendly adjustable feature, you can easily set the desired height, ensuring a perfect fit and reinforcing the safety of your home or office.

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Crafted with premium materials, our window security bars are break-free, designed to withstand even the most determined intruders. With a user-friendly adjustable feature, you can effortlessly set the desired height to fit any window or sliding glass door. The vertical/horizontal reinforcement ensures an easy fit and the anti-theft knob further fortifies your property against potential break-ins.

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Deters Intruders

Our home security bar will give you peace of mind in your house or apartment. The device offers what every security expert recommends - a physical way to secure your home windows.

Increases Child Safety

One of the biggest concerns for parents is the safety of their children. One of the most vulnerable areas of safety risk is open windows. The Lock-it Block-it is a perfect childproof solution.

Great Security for the Elderly

The Lock-it Block-it offers an added layer of home security that allows the elderly to live as they want and reduce their concerns of being insecure.

Sleep Peacefully

Sleep peacefully at night and still get cool outdoors air without the concern that anyone will open your window any further. Control how high you want the window to open with the 13 adjustable settings.

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The innovative design of our window security bar sticks doesn't sacrifice aesthetics for function. Its sleek, unobtrusive style seamlessly integrates with any wall decorations, and the durable handle provides easy operation for opening and closing windows and sliding doors. Whether you need heightened security or an additional layer of protection, our Adjustable Window Lock Slider is the ideal choice for your peace of mind. Never compromise on safety!

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Window Security Bars - 1 Device XL Window Security Bars - 2 Devices Window Security Bars - 4 Devices Window Security Bars - 2 Devices King Size
Customer Reviews
4.3 out of 5 stars
1,846
4.3 out of 5 stars
1,846
4.3 out of 5 stars
1,846
4.3 out of 5 stars
1,846
Extra Long
Adjustable
Easy to Install

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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The Lock-it Block-it Regular – (2 Devices) Home Security Adjustable Window Security Bars/Window Lock Bar, Security Bar for Sliding Glass Door, Child Safety Lock & Sliding Patio Door Security Bar


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Customer reviews

4.3 out of 5 stars
4.3 out of 5
1,846 global ratings

Customers say

Customers like the performance and ease of installation of the window screen. For example, they mention it works great in sliders and single and double hung windows, and the instructions are simple. They appreciate the security, and versatility. That said, opinions are mixed on sturdiness, size, value, and adhesion.

AI-generated from the text of customer reviews

72 customers mention59 positive13 negative

Customers like the performance of the door sweep. They say it works well, is easy to figure out, and is adequate. Some say it's nice and sturdy, but not for every window.

"Worked perfectly, I live in a older trailer so window security is kinda weak especially for a woman living alone, windows are low to the ground...." Read more

"It worked fine and was easy to handle but it doesn’t seem sturdy when it’s extended outward." Read more

"Yes works perfectly." Read more

"These are lighter weight than expected, but seem strong, and definitely work!—PTators" Read more

51 customers mention47 positive4 negative

Customers find the installation process of the window wells to be incredibly easy and fast. They appreciate the simple instructions and the fact that the product is ready to go.

"The Lock-It Block-It bars are excellent!! They were definitely easy and fast to install, even for this 72-year-old female...." Read more

"It worked fine and was easy to handle but it doesn’t seem sturdy when it’s extended outward." Read more

"...These were easy to use and they come with Velcro strips so you can set them in place for your windows...." Read more

"Super easy to install and I can pull them off when I want to open the window fully during the day..." Read more

18 customers mention18 positive0 negative

Customers are satisfied with the security of the tools. They mention that it's perfect for an apartment sliding glass door, sturdy, and makes them feel safe. The heavy duty material is also a plus, making the tools very useful for windows security. Overall, customers are happy with the product's quality and recommend it to others.

"...I feel so much more secure, and I highly recommend them!!!" Read more

"Good easy window protection. Simple" Read more

"...alone and not able to own firearms, this is very dependable and makes me feel safe...." Read more

"...A great way to improve the overall safety/security of your house!" Read more

14 customers mention14 positive0 negative

Customers like the versatility of the bars. They say it's great for keeping windows closed and locked, and can also be used as a beating stick. Some customers say it allows them to open a window without worrying about it being tampered with. Overall, customers are happy with the product's functionality and durability.

"...My windows are now securely closed and locked unless I don't want them to be...." Read more

"...The Lock-It Block-It bars are stronger than a dowel, completely fill the channel of the window, and I can adjust the size of the bars to allow a..." Read more

"...Kept my windows locked" Read more

"It was perfect in one of the windows, the other one does not match the size but I made it work. It’s a good product." Read more

84 customers mention43 positive41 negative

Customers are mixed about the sturdiness of the tool. Some mention that it's nice and sturdy, while others say that it seems somewhat fragile. The tool is made of thick hard plastic and can be secured with adhesive-backed velcro strips. However, some customers feel that the product is not made of steel or a wooden dowel.

"...windows that I leave open all the time during the summer, they are very solid but really easy to put up and adjust...." Read more

"It worked fine and was easy to handle but it doesn’t seem sturdy when it’s extended outward." Read more

"...They are made of a strong plastic....not sure if it is strong enough to do it's job...." Read more

"I thought the product was made out of metal but it's made out of cheap plastic if I had known that these were not metal bars...." Read more

50 customers mention22 positive28 negative

Customers are mixed about the size of the window bars. Some mention that it is easy to adjust the size based on the type of windows, and it fits perfectly. Others say that the bars may be too loose or not fit inside the track of the windows.

"Tried several other high quality products but they did not fit correctly" Read more

"...all the time during the summer, they are very solid but really easy to put up and adjust...." Read more

"...never purchased them, but it doesn't even matter because they don't even fit the window." Read more

"...a dowel, completely fill the channel of the window, and I can adjust the size of the bars to allow a lot or a little fresh air in or to fully extend..." Read more

26 customers mention12 positive14 negative

Customers are mixed about the value of the tool. Some mention it's a good value buy, while others say it'll be a total waste of money.

"...I really don’t think that the price point is good for what these are." Read more

"...These are worth the money for the extra peace of mind." Read more

"...The base is made of a flexible rubber/silicone material. Total was of money, and does not feel secure on the window." Read more

"...Seems somewhat a little fragile. Gets the job done though and not bad for the price." Read more

25 customers mention9 positive16 negative

Customers are mixed about the adhesion of the product. Some mention that the velcro keeps in place, while others say that the adhesive isn't strong enough to hold it up against gravity.

"They are good and sturdy but the tape doesnt stick good enough, it needs to be stronger." Read more

"...These were easy to use and they come with Velcro strips so you can set them in place for your windows...." Read more

"...one extra and thought to make it sturdy, after days on the window, it kept moving and I really don’t like it, I decided to return it and I had to..." Read more

"...Total was of money, and does not feel secure on the window." Read more

Nice product
4 Stars
Nice product
It fit perfectly. I can leave my windows cracked open now for some air while running errands.
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