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5 Best Guards Locks of 2026

Last Updated - 2026/04/17

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Defender Security

PRIME-LINE Defender Security U 10546 Steel Door Guard, 5-1/2 In., 2-3/4 In. by 1-3/4 In., Stainless (Single Pack)

Defender Security

CA$53.38

More Details
Main highlights
- NOTE – Make sure to dry fit the 4-5/16 inch wide by 10-7/8 inch tall with a 0.03 inch thickness door lock reinforcer before permanently installing and refer to the line art drawing and compare with your needs before purchasing
- EASY INSTALLATION – All the necessary mounting hardware is included with the lock reinforcement plate for a quick and easy installation; the door reinforcer plate is pre-punched for mounting. Remove the protective film after installation
- DIMENSIONS – The door lock reinforcement plate is designed for 1-3/4 inch thick doors only that have a 2-1/8 inch bore hole through the door, 5-1/2 inch on center hole spacing, with a 2-3/4 inch backset from the edge of the door to the center of the bore holes
- BUILT TO LAST – Made of stainless steel, the door lock reinforcement plate comes in a natural finish to fit over two bore holes 2-1/8 inch on your door
- ADDED SECURITY – Prevent forced entry by reinforcing the weak spot of your door with the non-recessed door lock reinforcer; use to reinforce and repair both metal, fiberglass and wood doors
CA$53.38
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Defender Security

Prime-Line U 11316 Swing Bar Door Guard with High Security Auxiliary Lock, Satin Nickel Finish (Single Pack)

Defender Security

CA$28.48

More Details
Main highlights
- WATCH THE VIDEOS ON THIS PAGE for installation and operating tips.
- PRE-DRILLING – The included 3 in. security screws require holes to be pre-drilled with 1/8 in. drill bit.
- NOTE - Please refer to the line art for dimensions and compare with your needs before purchasing.
- KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 10827 satin nickel finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe!
- EASY INSTALLATION – The included 3 in. hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes. Length is 2 to 0.19 inch. Width is 1 to 0.38 inch.
- CHILD-SAFE AND TAMPER-RESISTANT – This Defender Security door blocker by Prime-Line has a spring-loaded design that is both child-safe and tamper-resistant. It can be installed higher on the door where your children can’t reach!
- ADDITIONAL HOME SECURITY - Use this high security door reinforcement lock for additional home security on any swing-in door of any door thickness. It helps to ensure any door cannot be opened from the outside
CA$28.48
3
Best Value
16% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Prime-Line
16% Off

Prime-Line Products U 9503 Latch Guard Outswing, 3-Inch by 11-Inch, Gray Steel

Prime-Line

CA$18.53

CA$21.99
(16% Off)

More Details
Main highlights
- Protects outswinging door from forced entry
- For residential, commercial, and industrial use
- Comes with installation hardware
- 3 inches wide x 11 inches long
CA$18.53
CA$21.99 (16% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Prime-Line

Prime-Line MP9513 Latch Shield, 12 in, Steel, Gray, in-Swinging Doors, Pack of 1

Prime-Line

CA$14.48

More Details
Main highlights
- easy to Install
- Used on swing-in doors to protect against forced entry
- Steel construction
- For residential, commercial, and industrial use
- 12 in. tall
CA$14.48
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

JXTSDZ

Door Latch Guard Plate,L-Shaped Security Protector for Home, Durable Steel Shield to Block Access to Locks (11 inches)

JXTSDZ

CA$13.99

More Details
Main highlights
- Versatile for All Doors: Ideal for both residential and commercial use, these latch guard plates provide effective defense against forced entry and tampering of locks and deadbolts.
- Important Reminder: Package includes 1 x door strike plate (11in) and 6 x screws. Please carefully check the size and thickness of the product in the images to ensure compatibility with your door frame before purchasing.
- Enhanced Security Features: Specifically designed to reinforce door latches, the angled structure of these guard plates adds an extra layer of security by preventing unauthorized access.
- Easy Installation: Featuring pre-drilled holes and accompanying screws, these latch guard plates can be quickly and easily installed onto your door frame, enhancing your security without hassle.
- Durable & Sturdy Construction: Made from high-quality stainless steel, these door latch guard plates are built for durability and reliability, ensuring long-term protection for your doors.
CA$13.99

5 Best Guards Locks of 2026

PRIME-LINE Defender Security U 10546 Steel Door Guard, 5-1/2 In., 2-3/4 In. by 1-3/4 In., Stainless (Single Pack)

Prime-Line U 11316 Swing Bar Door Guard with High Security Auxiliary Lock, Satin Nickel Finish (Single Pack)

Prime-Line Products U 9503 Latch Guard Outswing, 3-Inch by 11-Inch, Gray Steel

Prime-Line MP9513 Latch Shield, 12 in, Steel, Gray, in-Swinging Doors, Pack of 1

Door Latch Guard Plate,L-Shaped Security Protector for Home, Durable Steel Shield to Block Access to Locks (11 inches)

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