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- USA
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Defender Security U 9928 Keyed Sash Lock – Child-Proof Security Lock Only Unlocks With Key – For Aluminum, Vinyl or Wood Double-Hung Windows – 2” Hole Centers – Heavy-Duty Zinc Diecast Construction, WhiteWINDOW SASH LOCK This window sash lock can be used on vertical single and double hung sliding windows, and on horizontal sliding windows. It can be installed on windows constructed of aluminum, wood and vinyl sash and frames. CHILD PROOF Prime Line Keyed Sash Lock is designed to child proof sliding windows and secure windows at high elevation. The lock can only be opened with the included key, keeping curious kids safely inside. EASY INSTALLATION
- WINDOW SASH LOCK – This window sash lock can be used on vertical single and double hung sliding windows, and on horizontal sliding windows. It can be installed on windows constructed of aluminum, wood and vinyl sash and frames.
- CHILD-PROOF– Prime-Line Keyed Sash Lock is designed to child-proof sliding windows and secure windows at high elevation. The lock can only be opened with the included key, keeping curious kids safely inside.
- EASY INSTALLATION – Installation is easy with all screws included. The sash lock features a 1” deep base, 5/8” deep keeper with 2” mounting hole center spacing on both the keeper and cam-action keyed locking latch.
- DURABLE – Made of heavy-duty diecast zinc with a white enamel finish, this child-proof sash lock is strong, durable and made to last.
- NON-TURNING KEY - When the key is inserted into the keyhole, the thumbturn and cam are released allowing it to be rotated open or rotated closed. To lock the device in the open or closed position, simply remove the key from the lock.
- NOTE: these are not all keyed alike – each lot contains a limited mix of key numbers
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 2049 reviews
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Product Reviews
★★★★★ 5
Excellent (slightly) spooky read
Format: Hardcover
Another great read by Meg Eden Kuyatt. I am not much of a scary books fan, but this one was so good. I especially loved that the main character has autism and we learn so much through how different members of her family treat her.
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Reviewed in the United States on December 10, 2025
★★★★★ 5
Great Gift
Format: Hardcover
Great Fun Book with whole details.
My son loved the book so much.
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Fun educational book
Format: Hardcover, Format: Hardcover
This book is a big hit! My 5 year old son and I read it so many times since we ordered this in April. It has cute illustration and 60 flaps and pop-ups which make the book even more exciting. And because of this, I don’t recommend this book to young kids under 3 though. Some flaps might be tricky for younger kids. Even I as a parent learned so much about construction.
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Reviewed in the United States on May 27, 2025
★★★★★ 5
Great book, but the other book of the same author is much better
Format: Hardcover
This is a very high quality book, chock a block full of information about construction sites, with lots of imaginative flaps, things that swivel, move, and fold. HOWEVER...it is not as good as "The Ultimate Book of Vehicles" by the same author. The "Vehicles" book is more appropriate for kids 3 years and up: It is still full of awesome flaps, swivels, and things that move, but it is simpler, with pictures of the vehicle, the name of the vehicle, and maybe a few names of the parts of the vehicle. You open up a flap to see inside, make it move, etc. My son found it very interesting.
The "Construction" is really aimed for older kids, I'm guessing 5 and up, maybe even older. There are just so many words on the page, and so much information. The flaps are not as interesting as the previous book, and I found many of the moving parts to be "sticky", and my 3 year old ripped quite a few out within a week of reading the book. We have not ripped anything from the "Vehicle" book.
So I would say if you have an older kid who wants to gain a lot of knowledge about construction sites, this book is for you. But if you have a younger child (3 and up, any younger and they'd destroy the book), get the "Vehicle" book.
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Reviewed in the United States on February 27, 2015
★★★★★ 5
So Much Fun And Very Informative
Format: Hardcover, Format: Hardcover
This book has been a winner in our house since it arrived. Each page has so many flaps, spins, pulls and movement. So many new words and easy explanations for the kids. The pictures are beautifully designed and each time we look through it we find more details we missed!
The book is an excellent purchase and definitely worth every penny!
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Reviewed in the United States on July 17, 2024
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