Defender Security U 9815 Sliding Door Lock, Tamper Resistant, Aluminum Finish, (single pack)

Brand:Defender Security

3.2/5

27.83

Easy to install in less than 10 minutes with a few simple tools. This high security sliding patio door and window lock comes in a white-painted finish. Heavy-duty cast-metal construction with tamper-resistant double-hex security screw and wrench (included). Each lock features a pair of counter sunk Allen drive fasteners for adding a strong, sure hold. These locks are for use on sliding patio doors and windows whose metal fins measure 1/4 in. or thinner. Use with metal-framed sliding doors and older style, metal-framed sliding windows.

Easy to install in less than 10 minutes with a few simple tools. This high security sliding patio door and window lock comes in a white-painted finish. Heavy-duty cast-metal construction with tamper-resistant double-hex security screw and wrench (included). Each lock features a pair of counter sunk Allen drive fasteners for adding a strong, sure hold. These locks are for use on sliding patio doors and windows whose metal fins measure 1/4 in. or thinner. Use with metal-framed sliding doors and older style, metal-framed sliding windows.
Brand Defender Security
Color Aluminum
Finish Type Aluminum
Item Dimensions LxWxH 0.88 x 2 x 0.5 inches
Material Aluminum

3.2

8 Review
5 Star
56
4 Star
18
3 Star
17
2 Star
0
1 Star
8

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Scritto da: Y-G
It works
I rated it a 4 because the hex screw is really annoying. As you can see from the picture they put the ring on the side that would allow you to screw it down without taking it off. I understand that it's so a child can't open it but I think the old school one I grew up with would have been fine.
Scritto da: Jessica
These hold windows closed very well because the inside of ...
These hold windows closed very well because the inside of the screw is pointed. Locks w/out the pointed screws can be pushed open. These are a MUST MUST MUST HAVE if you have children who have second story bedrooms or playrooms. Young kids after watching superhero movies think they can fly or glide down from windows. They also do not realize that screens will not hold them in.
Scritto da: Ed V.
Four Stars
Perfect for securing our sliding door and I bought two for the top and bottom of the door.
Scritto da: moring4glory
They work great! Solidly in place these are not going to ...
I bought these for my patio door and sliding windows. They work great! Solidly in place these are not going to budge even when force is applied. I also liked the fact that the "key" is removable. I have seen some with just a wing nut like key that any one could reach in and unlock. I bought 3 and will probably purchase more to cover all my windows. I feel very secure with them in place.
Scritto da: Una
Perfect
Perfect.
Scritto da: Wendy Ballew
Thanks
Didn’t work for me but they accepted my return
Scritto da: Jong Jong
Great product
Works as it supposed to
Scritto da: Clayton Elwood
THEY " WORK "
Of good quality - attach easily

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