JEACENT AC Security Window Lock Bar, Window Security Bars - Sturdy Steel, Extends from 10" to 17 1/2" for Sliding Windows with AC Unit Installed

Product seems very strong and was very easy to install. The lowprofile design also makes it hard to spot.

I bought these to secure my ac units in the window. They were very easy to put in and had remained sturdy while keeping my ac in the window. These are great for the price!

It's surprising how many poorly made security bars exist for what should amount to a very simple product...I researched many bars on Amazon and my local big box hardware store and left disappointed with what I surveyed; notably poorly used materials (plastics), and lack of adjustability. Simply put, I want a bar made to withstand forceful intrusion that isn't complicated by too many working/ poorly designed parts.This security bar fits the bill regarding durability and ease of use. Everything is metal, it's adjustable to millimeters, and secured properly such that a human being can't force this open since pins and threads are used vs. tension. The only knock I have against this is the velcro provided; it's not cut to dimension and offers little stability by itself. Nonetheless, the tension should be sufficient to keep this in place, and the fact that there is a hole to screw this into something is a plus.Overall highly recommended! Look no further if you want something that will do what you expect; stop intruders from forcing your window/door open.Cheers!

These are great. I got 3, one I had to send back due to an issue but they prompty replaced. They fit snug by using adjustment nut. Should keep anyone from opening window.

I used this to secure a vertical window that has a window AC installed. It's well made but I was actually close to returning it because it was just a little too short for my window. The next peg down was too tight and the next peg up was too short. Just then, I realize that you can unscrew the rubber portion at the bottom for micro adjustments. If you can't get a tight fit on your window, you'll want to use the screw near the rubber portion to get it as tight as possible.I do think the bar is probably better suited for sliding glass since it will sit flat on the sill and keep the window from being opened. For vertical windows, someone could just break your window and just push the bar out of the way. I still think it's good to have and extra peace of mind but I would probably go a step further with sash locks in addition to the security bar for extra protection. It will certainly defeat the average dumb crook but if someone really wants in, you'll want more than a bar that can be defeated by breaking the glass.It's still a good product and very well made and sturdy which is why I'm going 5 stars.

I love these for my windows. The work perfectly, and I like how easy it is to adjust them. No tools require. I didn’t use the adhesive strips, because I didn’t find the need to use them.

heavy duty, easy to use. This is very well made and I feel secure knowing no one is going to get into our home because of this.

Works for horizontally sliding doors & windows, but the double-faced tape is not strong enough to hold the bar in place vertically, in spite of preparing the surfaces

The best one. We used them for the basement window where our daughter sleeps very sound. And, for the new patio door and we just used the pressure without drilling a hole in the brand new aluminium which is not a good idea. My husband tried very hard to open the door and the window without even a slight move. Very happy with these bars.