Prime-Line Brass-Plated Swing Bar Door Guard-U 9897 - The Home Depot
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Model # U 9897

Internet # 100130785

Store SKU # 508028

Brass-Plated Swing Bar Door Guard

Prime-Line Brass-Plated Swing Bar Door Guard

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$5.98 / each


Model # U 9897

Internet # 100130785

Store SKU # 508028

Store SO SKU # 508028

The Defender Security Brass-Plated Swing Bar Door Guard adds security to your home. The swing bar allows for 5 in. of viewing or ventilation, and the included door side riser shims facilitate proper installation.

  • Allows 5 in. of viewing or ventilation
  • Brass finish and metal construction
  • Easy to install
  • Includes two 1/16 in. door side riser shims for an ideal fit

Info & Guides

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Assembled Depth (in.) 
1 in 
Assembled Height (in.) 
6.625 in 
Assembled Width (in.) 
3.813 in 
Chain/bar length (in.) 
Inside Diameter 
0 in 
Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
3.813 in 
Builders Hardware Product Type 
Door Locks & Knobs Product Type 
Hardware Finish Family 
Hardware Included 
Package Quantity 
Product Weight (lb.) 
0.43 lb 
Security/ANSI Grade 
Warranty / Certifications
Manufacturer Warranty 
Goods are warranted against defects in manufacturing 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. 


Rated 3.8 out of 5 by 10 reviewers.
Rated 5.0 out of 5.0 by Easy to install, good finish, quality product The door guard was easy to install and I had no difficulty following the clear instructions. The finish is of a high quality and the brass matched the door fittings that I have. April 7, 2015
Rated 1.0 out of 5.0 by Only works with tiny molding Complete waste of time. Package says nothing about it NOT working with standard molding. It only works if the total depth of the molding around the door is about 1/4" thick...any detail or raised piece of molding essentially blocks it from working at all. WASTE OF TIME. May 15, 2012
Rated 4.0 out of 5.0 by Good purchase I purchased this not for security from an intruder but to keep a toddler from unlocking the door and walking out. It was easy to install which was a plus to me (a female). I plan to purchase another to put on the back door. June 17, 2014
Rated 4.0 out of 5.0 by Very well built and reasonably priced Had to return the product just because it did not fit my application. The spacers included could have been constructed of a little more substantial material and some additional spacers included. My door installation was a simple installation with a simple interior trim, however, there were not enough spacer options included in the package for the item to work. It was a very nice product with a very nice finish and a very reasonable price, but just happened to not fit my application. April 15, 2014
Rated 5.0 out of 5.0 by Best lock ever! Even with deadbolt locks I sometimes have a need for this type of lock (when small children are visiting). Also, I was recently burglarized. They picked/damaged the deadbolt on the only door that did not have this type of lock. They could not enter the other doors (3) because of these locks. October 2, 2012
Rated 5.0 out of 5.0 by Brass-Plated Swing Bar Door Guard That is a must for homes Security it is very important for door protection I am very pleased. Thank you guys for keeping up with the best products. USAF RET SSGT Macedonio Max & Edna De La Rosa Sr May 14, 2014
Rated 3.0 out of 5.0 by works as expected ok installation, ok instructions, good performance, priced too high for my liking. May 13, 2014
Rated 1.0 out of 5.0 by Broke into peices! If you just want a lock to keep children in then this is your lock! I have a toddler that likes to unlock and open doors on her own, and I liked having this just in case she decided to do it without my supervision. At first I also thought of it as extra security...until my husband broke it by accident! Long story short, we both left the house through the garage, but I have the only key for that door. Plus, we forgot to unlock the swing bar lock on the front door so he could get back in. He was able to reach his hand in and pop off the bolts that secure the swing bar. After he got in he realized that the force he had put on the door to mess with the bolts had severely bent the arm of the lock (this is the bar with the ball piece on it) and with a touch of his hand it fell off! It's great for keeping small children in, but it is easy to tamper with from the outside, and can break without great force! Please keep looking for a better source of security for you and your family! October 7, 2012
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