Brand | PRIME-LINE |
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Special Feature | Steel Chain |
Lock Type | Chain Door Lock |
Item Dimensions LxWxH | 3.31 x 0.63 x 2 inches |
Material | Steel |
Color | Satin Nickel |
Number of Pieces | 1 |
Finish Type | Satin Nickel |
Included Components | chain lock, keeper and fasteners |
Controller Type | Hand Control |
Item Weight | 4.32 ounces |
Control Method | App |
Manufacturer | Prime-Line Products (Home Improvement) |
Part Number | U 10304 |
Item Weight | 4.3 ounces |
Product Dimensions | 3.31 x 0.63 x 2 inches |
Country of Origin | China |
Item model number | U 10304 |
Is Discontinued By Manufacturer | No |
Size | 1 Pack |
Finish | Satin Nickel |
Item Package Quantity | 1 |
Special Features | Steel Chain |
Batteries Included? | No |
Batteries Required? | No |
Warranty Description | Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
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89% positive over last 12 months
72% positive over last 12 months
Defender Security U 10304 Chain Door Guard – Door Chain Lock for Door and Home Security, 3-5/16 In., Solid Brass Construction with a Satin Nickel Finish (Single Pack)
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | PRIME-LINE |
Special Feature | Steel Chain |
Lock Type | Chain Door Lock |
Item Dimensions LxWxH | 3.31 x 0.63 x 2 inches |
Material | Steel |
About this item
- SECURITY LOCKING DEVICE –This U 10304 Chain Door Guard is a security locking device for doors, allowing a door to be slightly opened to allow safe viewing and ventilation.
- CHILD-SAFE SECURITY DEVICE – This door chain lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security.
- EASY INSTALLATION - Installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included.
- DURABLE CONSTRUCTION – This chain door guard is constructed of extruded brass with a satin nickel plated finish and a 6 inch, 8-link welded steel chain It’s strong and durable and sure to last.
- PRODUCT INFO – The 3-5/16 inch U 10304 Chain Door Guard can be used on a variety of door types and can be placed over or beside door casing. It features a 6 inch long, 8-link welded steel chain and all installation fasteners necessary for complete install.
- NOTE – Please refer to the line art for dimensions and compare with your needs before ordering
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This Item PRIME-LINE Defender Security U 10304 Chain Door Guard – Door Chain Lock for Door and Home Security, 3-5/16 In., Solid Brass Construction with a Satin Nickel Finish (Single Pack) | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | |
Price | $13.36$13.36 | $7.99$7.99 | $7.60$7.60 | $14.99$14.99 | $14.99$14.99 | $9.99$9.99 |
Delivery | 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 as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 |
Customer Ratings | ||||||
Easy to install | 4.4 | 4.5 | 4.6 | 4.5 | 4.5 | 4.5 |
Sturdiness | 3.8 | 3.9 | 4.0 | 4.1 | 4.1 | 4.5 |
Value for money | 3.7 | 4.1 | 4.1 | 4.2 | 4.2 | 4.5 |
Easy to use | — | 4.3 | 4.8 | 4.5 | 4.5 | 4.4 |
Sold By | Amazon.com | INBOF Direct | JQK Products | Jack N'Drill | Jack N'Drill | Amazon.com |
lock type | Chain Door Lock | — | — | Chain Door Lock | — | Combination Lock |
number of items | 1 | 2 | — | 2 | 2 | 1 |
material | Steel | — | Stainless Steel | Alloy Steel, Brass | Alloy Steel, Brass | Diecast |
finish type | Satin Nickel | Brushed | Black | Polished | Polished | Satin Nickel |
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From the brand
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Headquartered in Redlands, California, Prime-Line has been recognized as North American's largest supplier of window and door replacement hardware for more than 40 years. We also offer hard-to-find fasteners, tools and other innovative products, designed to make your house a home.
Prime-Line is your one-stop-shop, offering thousands of replacement hardware parts... including the one you need.
From the manufacturer
Dimensional Line Drawing
Why Prime-Line?
Founded in 1978, Prime-Line’s mission is to empower national distributors, commercial companies, and individual homeowners with high-quality repair solutions.
- Repair & Replacement Parts
- Safety & Security Products
- For Your Home
- For Your Business
U-10304 - Defender Security Chain Door Guard Lock
Satin Nickel Finish
This chain door guard is constructed of extruded brass and comes in a satin nickel plated finish. It features a 6 in. long, 8 link welded steel chain and all installation fasteners necessary for complete install. When this chain door guard is fully assembled and engaged from base to keeper, the chain will extend to 4-5/8 in. To determine the maximum distance it secures a door for safe viewing or ventilation, subtract the thickness of the door from 4-5/8 in.
- Used as a security locking device for safe viewing and ventilation
- Allows 4 in. of viewing or ventilation while keeping the room secure
- Can be used as a child safety device
- Solid brass keepers and steel chain with satin nickel finish
- Easy to install on door and jamb
- Mounting hardware included, A Phillips head screwdriver is required for installation
FEATURES & BENEFITS
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Adds additional security to your home |
Constructed from extruded aluminum with a satin finish |
Allows 2 inches of viewing or ventilation while secured |
Out of reach of children for added safety |
Product information
Technical Details
Additional Information
ASIN | B003VWPKQ8 |
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Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #2,630 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #7 in Door Lock Replacement Parts |
Date First Available | July 16, 2010 |
Warranty & Support
Feedback
Videos
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Installation and Quality Review of Bronze Door Guard Lock
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Product guides and documents
Product Description
Product Description
Secure your home or office doors with additional security with the U 10304 Chain Door Guard. This door chain lock is a security locking device for doors, allowing a door to be slightly opened to allow safe viewing and ventilation. It can also be placed out of reach of children, high on a door, so they cannot open the door themselves and enter or exit into dangerous areas. This chain door guard is constructed of extruded brass with a satin nickel plated finish and a 6 inch, 8-link welded steel chain It’s strong and durable, sure to last, and installation is quick and easy. All installation fasteners are included, and it can be used on a variety of door types and can be placed over or beside door casing. When this chain door guard is fully assembled, and engaged from base to keeper, the chain will extend to 4-5/8 inch. To determine the maximum distance the chain door guard secures a door for safe viewing or ventilation, subtract the thickness of the door from 4-5/8 inch(approx. 3 inch). The smaller chain-holder base measures ¾ inch wide, and the wider chain lock keeper measures 3-5/16 inch long; both with a height of 2 inch.
From the Manufacturer
This chain door guard is constructed of extruded brass and comes in a satin nickel plated finish. It features a 6-inch long, 8-link welded steel chain and all installation fasteners necessary for complete install. When this chain door guard is fully assembled and engaged from base to keeper, the chain will extend to 4-5/8 inches. To determine the maximum distance it secures a door for safe viewing or ventilation, subtract the thickness of the door from 4-5/8 inches (approx. 3-inches). It can be used on a variety of door types and over, or beside door casing. The smaller chain-holder base measures 3/4 inches wide, and the wider chain lock keeper measures 3-5/16 long; both with a height of 2-inches. This chain door guard also works great as a child-safe security device which can help prevent little ones from fully opening doors and entering or exiting into dangerous areas. See model number U 10305 for classic bronze, U 9909 for satin chrome, S 4298 for chrome, U 9913 antique brass and U 9907 for brass.
WARNING:
Important information
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, ease of installation, appearance and value of the door lock. They mention that it's strong, substantial and easy to install. They appreciate the security it provides and that it is good value for money. Customers are also satisfied with color. However, some customers dislike the sturdiness and size of the product.
AI-generated from the text of customer reviews
Customers like the quality of the hardware. They mention that it's strong, substantial, and antiqued. Some say that the product is great and value for money. Customers also say that it gives a good sense of security, is easy to install, and works well.
"This security chain for doors provides a comforting sense of safety. Sturdy build and reliable functionality make it a trustworthy addition to any..." Read more
"...Works well, does the job I needed it to do and install was simple. Price point for 2 units is also affordable and efficient. Good 2 go." Read more
"It feels cheap upon first inspection. But it's going to serve its purpose of keeping my kids in the house so they can't just walk out the door...." Read more
"easy to install, so far working good." Read more
Customers find the installation of the hardware to be super easy. They mention that it comes with everything they need to install it and that it takes about 5 minutes from start to finish.
"Good. Easy to install. Put it a little above so the child can not reach it...." Read more
"...Works well, does the job I needed it to do and install was simple. Price point for 2 units is also affordable and efficient. Good 2 go." Read more
"easy to install, so far working good." Read more
"Works how it’s supposed to. Easily installed" Read more
Customers are satisfied with the appearance of the hardware. They mention that it looks clean, crisp, and modern. The finish is nice and it goes great with old-timey doors. It is a perfect match to the hardware they replaced several years ago.
"Looks nice and does the job." Read more
"Brass looks great" Read more
"...Otherwise, it is perfect match to the hardware we replaced several years ago and I'm very happy about that! The quality is very good." Read more
"...Installed easy, looked nice, worked greatAnd then the ball at the end of the chain just fell off, and now it's completely useless...." Read more
Customers like the security of the door lock. They say it's easy to install, adds a small sense of security, and is a good deterrent for forced entry. Customers also say the chain is strong and provides a comforting sense of safety. They feel safer at night and are happy with the product.
"This security chain for doors provides a comforting sense of safety...." Read more
"Good door guard, exactly what I was looking for." Read more
"...Definitely has been giving me a false sense of security. We’ll try something different this time around." Read more
"...Took about 5 minutes from start to finish. Extra layer of security. I mounted it high so the kids couldn't open the door to strangers...." Read more
Customers appreciate the value of the lock. They say it's a good quality product for the price, sturdy, and worth it. Customers also mention that the lock is a great buy, with superb fit and finish regardless of price.
"...Price point for 2 units is also affordable and efficient. Good 2 go." Read more
"Good quality product for the price" Read more
"This is really great product and value for money. Easy to install and material quality is really good...." Read more
"...Overall pretty straight forward product and a good value." Read more
Customers are satisfied with the color of the hardware. They mention that it has a great bronze color that matches their door perfectly. Some say that the finish is a nice dark brown with a copper accent around the edges.
"...It’s a nice dark brown with a copper accent around the edges. It looks expensive compared to what the price of it is. Haven’t had a problem yet...." Read more
"...Basic security and works. The finish matched the color of my door." Read more
"Works great, easy to install and it matches our oil rubbed bronze hardware on our doors...." Read more
"Works just as it should. Looks great and matches the door knob and lock trim. It'll prevent my toddler from making his great escape." Read more
Customers are dissatisfied with the sturdiness of the hardware. For example, they mention the screws are weak, broke when installing, and are of low quality. Some say the screws were stripped and didn't last even two weeks.
"The screw-heads popped right off when using for the first time (moments after installation)...." Read more
"...Sturdy and easy to use. Great pricing too.*update: not very sturdy. Someone in my house tried to open the door and and the latch snapped...." Read more
"Do not buy. The screws are extremely low quality and the head came off as I was attaching it - rendering the entire unit useless, and now past..." Read more
"Not very secure. The person I was trying to keep out managed to break right thru this chain & proceeded to make threats against me...." Read more
Customers are dissatisfied with the size of the hardware. They mention that the chain is too short, the screws are too small, and the door is too large. Some say that they used a big drill bit and will have to put bigger screws in.
"Wanted to replace old brass chain guard. This one is a bit smaller and holes did not line up with old standard." Read more
"...What? You can see from the pics that they are too long for any door. I was hoping maybe the outside casing was thicker. I was wrong...." Read more
"...So, yay! The chain section was much shorter than the chain on the old one. I should have measured before installing that part...." Read more
"...around your door, which you almost certainly will, the chain is going to be too short to mount the lock in the standard horizontal position...." Read more
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