Rerishom 2 Pack Door Lock Withstand 800 lbs for Inward Swinging Door,Door Reinforcement Lock with 8 Screws to Prevent Unauthorized Entry, Child Proof Pin Tumbler for Extra Home Security and Privacy

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These are the best way to keep small children safe. These are very easy to install and are very heavy duty. Would highly recommend.

I bought the 2 pack of these locks (one for the front door and one for the back door) and I love them. They open easily and 'click' into the locked position just as easily. They feel very solid and after installing them I believe the 800lbs force resistance claimed.Cons: 1. If I absolutely had to say something bad about them, it's that because of the manual nature of the lock itself, they can only be locked or unlocked from the inside of the house. If you don't unlock one of the doors and later want to enter through that door...you can't. For example, if I forget to unlock the back door and end up out back, I can't enter the house through the back door without first going in through the front and unlocking the lock from the inside. This is a minor hassle, easily corrected once you're accustomed to the locks presence, but it's worth mentioning because the locks work so well that you will absolutely be locked out of any door you don't pre-open before going out. 2. If you place the lock low enough for a pet or child to reach, the lock could be accidentally locked by an excited pet pawing at the door or a mischievous child and once locked....it can only be unlocked from the inside. INSTALL IT HIGH ENOUGH ON THE DOOR TO PREVENT THIS!Pros: The mechanism is solid and smooth and designed in such a way that is extremely unlikely/if not impossible to be accidentally locked out while you're away. I.e. I don't see this lock closing on its own so long as you install it high enough up on the door to prevent pets or children from locking it.Overall, I'm extremely pleased by this purchase and highly recommend it.

These door locks are very effective. Easy to install and look ok as well!

I am very happy with this product! It was inexpensive, easy to install, and does the job. I went outside and tested the door before and after installation and it was a tremendous difference… a big improvement. Thank you I rest a little easier now.