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Some doors may require mortising. Child-safe and tamper-resistant – this door reinforcement lock has a spring-loaded design that is both child-safe and tamper-resistant. Do not use a drill driver with max torque setting to install the 3 inch screws as you can strip or break the heads.
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 inch hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes. Additional home security – use this high security door reinforcement lock for additional home security on any swing-in door of any thickness. Keep your home safe – designed to withstand 800 lbs. Additional mortising may be required to fit your door.

Of force, this u 11126 bronze 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” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes! Pre-drilling the included 3 in.
Additional home security - use this bronze finish high security door reinforcement lock for additional home security on any swing-in door of any door thickness. Drill bit. Note - you may wish to purchase the mp111268 high security finger pull, designed to make opening this lock easier. Fit: as far as it not fitting certain doors the customers may need to make modifications to their door jamb. Child-safe and tamper-resistant – this door reinforcement lock has a spring-loaded design that is both child-safe and tamper-resistant.

Length is 2 to 019 inch. It can be installed higher on the door where your children can’t reach! Plus, not only can doors not be kicked in by intruders, it protects against lock picking and bumping while in the locked position.
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” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes.

Pre-drilling – the included 3 in. It helps to ensure any door cannot be opened from the outside. Plus, while locked, this tamper-resistant door latch protects against the door being kicked in, lock picking and bumping. The spring-loaded design can be installed at a higher level, to ensure it is child-safe.
Screws as you can strip or break the heads. Of force, this u 11325 brushed chrome 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” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes! Watch the video on this page for installation tips and operating instructions.

Product info - this locking device features a 2-1/8 inch reach, which is designed to secure the door to the jamb. Easy installation - installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included.


Swing bar door guard – the defender security u 11316 swing bar door guard, with a satin nickel finish, will increase peace of mind when answering the door by allowing the door to be cracked open slightly for viewing.

Easy to match any inward swinging door. This door guard prevents breaking in but is easy to open in case of emergency. This reinforcement lock is a good choice for home security. Easy to use: place index finger on top of door lock security and thumb on bottom and slide lock away from the base plate along with the door in the direction of the hinges then pull outward.
Good service: secure home by everplus, home security door lock defend your home safe, not only prevent break-in but also easily opens when meeting urgently. You will much more confident in your doors being able to sustain any sort of forced entry. This lock for door inside can provide protection for your children when you are not with them, it also makes the elderly or ladies feel safer when they are at home alone. Our high security door lock comes with an installation manual, we will help you.

Upgradedsecurity door lock design, keep your home safe: 3" stop metal construction with 8 strengthen screws, 12 times stronger than a normal deadbolt to against being kicked in. Home essential door lock reinforcement for kids and adults! Easy to install - use power screwdriver and drill to mount winonly security door lock on your door frame, finish DIY WINONLY door lock installation in less than 5 minutes.
Not only prevents breaking in but is also easy to open in case of emergency. Winonly safety door lock guard your home security as a door defender. Winonly security door lock guard your home safe, which you can choose according to your needs. Winonly door reinforcement lock has a spring-loaded design to prevent children from opening the door to unknown people. Easy to match any inward swinging door. Suitable for both elderly parents and ladies when they are at home alone.

Winonly secure lock guard your home safe, Defender you and Prevent Unauthorized Entry. Add a extra winonly safety door lock to guard your home security as a door defender.
Add extra door lock to keep your home safe. Satisfied warranty - secure home by winonly, home security door lock defend your home safe, not only prevent break into but also easy open when meet emergency. Upgraded easy open design - groove design for easy opening in emergency. Place index finger on top of winonly door lock and thumb on bottom and slide lock away from the base plate along the door in the direction of the hinges then pull outward. Not only prevent breaking in but also easy to open in case of emergency.
1. Defender Security
#ad
Satin Nickel Single Pack, High Security to your Home and Prevent Unauthorized Entry – 3 In. Stop, Aluminum Construction, Defender Security U 10827 Door Reinforcement Lock – Add Extra
#adDefender Security #ad - It helps to ensure any door cannot be opened from the outside. Pre-drilling – the included 3 inch security screws require holes to be pre-drilled with 1/8 inch drill bit. Pre-drill 1/8 inch pilot holes and watch the video on this page for installation tips and operating instructions. Note - you may wish to purchase the MP108278 high security finger pull, designed to make opening this lock easier.Some doors may require mortising. Child-safe and tamper-resistant – this door reinforcement lock has a spring-loaded design that is both child-safe and tamper-resistant. Do not use a drill driver with max torque setting to install the 3 inch screws as you can strip or break the heads.
More information #ad
It can be installed higher on the door where your children can’t reach! Plus, not only can doors not be kicked in by intruders, it protects against lock picking and bumping while in the locked position. 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 inch hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes. Additional home security – use this high security door reinforcement lock for additional home security on any swing-in door of any thickness. Keep your home safe – designed to withstand 800 lbs. Additional mortising may be required to fit your door.
Brand | Defender Security #ad |
Manufacturer | Prime-Line Products #ad |
Height | 3 Inches |
Length | 2.5 Inches |
Weight | 0.37 Pounds |
Width | 1.38 Inches |
Part Number | U 10827 |
Model | U 10827 |
Warranty | 1 year limited |
More information #ad
2. PRIME-LINE
#ad
Bronze Single Pack, Aluminum Construction, Defender Security U 11126 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3 In. Stop
#adPRIME-LINE #ad - For all dimensional information please refer to the line art and compare to your needs before purchasing. Watch the video on this page for installation tips and operating instructions. Keep your home safe – designed to withstand 800 lbs. It helps to ensure any door cannot be opened from the outside.Of force, this u 11126 bronze 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” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes! Pre-drilling the included 3 in.
More information #ad
Security screws require holes to be pre-drilled with 1/8 in. It can be installed higher on the door where your children can’t reach! Plus, not only can doors not be kicked in by intruders, it protects against lock picking and bumping while in the locked position. Additional home security - use this bronze finish high security door reinforcement lock for additional home security on any swing-in door of any door thickness. Drill bit. Note - you may wish to purchase the mp111268 high security finger pull, designed to make opening this lock easier. Fit: as far as it not fitting certain doors the customers may need to make modifications to their door jamb. Child-safe and tamper-resistant – this door reinforcement lock has a spring-loaded design that is both child-safe and tamper-resistant.
Brand | PRIME-LINE #ad |
Manufacturer | Prime-Line Products #ad |
Height | 3 Inches |
Length | 2.18 Inches |
Weight | 0.35 Pounds |
Width | 1.37 Inches |
Part Number | U 11126 |
Model | U 11126 |
Warranty | 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. |
More information #ad
3. Defender Security
#ad
High Security to Your Home and Prevent Unauthorized Entry – 3” Stop, Defender Security Satin Nickel U 10827 Door Reinforcement Lock – Add Extra, 2-Pack, Aluminum Finish
#adDefender Security #ad - Keep your home safe – designed to withstand 800 lbs. It helps to ensure any door cannot be opened from the outside. Width is 1 to 038 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.Length is 2 to 019 inch. It can be installed higher on the door where your children can’t reach! Plus, not only can doors not be kicked in by intruders, it protects against lock picking and bumping while in the locked position.
More information #ad
Watch the video on this page for installation tips and operating instructions. Pull projection:1 inch. Additional home security - use this high security door reinforcement lock for additional home security on any swing-in door of any door thickness. 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” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes.
Brand | Defender Security #ad |
Manufacturer | Prime-Line Products #ad |
Height | 3 Inches |
Length | 2.5 Inches |
Width | 1.38 Inches |
Part Number | U 10827-IP |
Model | U 10827-IP |
Warranty | 1 year limited |
More information #ad
4. Defender Security
#ad
Defender Security U 11325 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construction, Brushed Chrome Single Pack
#adDefender Security #ad - Keep your home safe – designed to withstand 800 lbs. Some doors may require mortising. Security screws require holes to be pre-drilled with 1/8 in. Do not use a drill driver with max torque setting to install the 3 in. Drill bit.Pre-drilling – the included 3 in. It helps to ensure any door cannot be opened from the outside. Plus, while locked, this tamper-resistant door latch protects against the door being kicked in, lock picking and bumping. The spring-loaded design can be installed at a higher level, to ensure it is child-safe.
More information #ad
Additional home security - use this high security door reinforcement lock for additional home security on any swing-in door of any door thickness. Screws as you can strip or break the heads. Of force, this u 11325 brushed chrome 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” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes! Watch the video on this page for installation tips and operating instructions.
Brand | Defender Security #ad |
Manufacturer | Prime-Line #ad |
Height | 6.44 Inches |
Length | 1.5 Inches |
Weight | 0.37 Pounds |
Width | 3.81 Inches |
Part Number | U 11325 |
Model | U 11325 |
More information #ad
5. PRIME-LINE
#ad
2-1/8 In. Hardened Steel Bar with Diecast Base, Chrome Plated Single Pack, Install Additional Child-Safe Security, Defender Security U 9847 Patio Sliding Door Loop Lock – Increase Home Security
#adPRIME-LINE #ad - Secondary security locking device – this defender security u 9846 patio sliding Door Loop Lock can be used on a patio sliding door as a secondary security lock for increased home safety.Product info - this locking device features a 2-1/8 inch reach, which is designed to secure the door to the jamb. Easy installation - installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included.
More information #ad
Child-safe security device - this door loop lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security. Durable construction – this door loop lock has a hardened steel locking bar with diecast constructed mounting plate and keeper, with a nickel-plated finish.Brand | PRIME-LINE #ad |
Manufacturer | Prime-Line Products (Home Improvement) #ad |
Height | 4.56 Inches |
Length | 0.63 Inches |
Weight | 0.3 Pounds |
Width | 3.13 Inches |
Part Number | U 9847 |
Model | U 9847 |
Warranty | 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. |
More information #ad
6. Defender Security
#ad
High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construction, Polished Brass Single Pack, Defender Security U 11442 Door Reinforcement Lock – Add Extra
#adDefender Security #ad - 3 in. Extruded aluminum construction in polished brass finish. Beyond face of door when in locked position. Withstands 800 lbs. Will fit any in-swing door. Of force. Tall stop projects 1 in.More information #ad
Meets texas building code requirement. Used on swing-in doors to protect against unauthorized entry by preventing lock bumping and lock picking while in the locked position. Note: measure your door's backset, cross bore and thickness to ensure you find the right fit.Brand | Defender Security #ad |
Manufacturer | Prime-Line Products #ad |
Height | 6.35 Inches |
Length | 1.55 Inches |
Width | 3.75 Inches |
Part Number | U 11442 |
Model | U 11442 |
More information #ad
7. Defender Security
#ad
Defender Security U 11316 Swing Bar Door Guard With High Security Auxiliary Lock, Satin Nickel Finish Single Pack
#adDefender Security #ad - Thumb turn lock – the additional thumb turn security lock blocks the release tool from disengaging the door guard latch. When engaged, a ball on the keeper interlocks with the bar lock and prevents an intruder from pushing their way through.Swing bar door guard – the defender security u 11316 swing bar door guard, with a satin nickel finish, will increase peace of mind when answering the door by allowing the door to be cracked open slightly for viewing.
More information #ad
Easy installation – installation is quick and easy, and all fasteners are included – extra security and peace of mind can be achieved in just minutes! Emergency breakaway – in case of emergency, the thumb turn will breakaway with approximately 100 lbs. Of force. Additional home security – add security to your entry door and help prevent forced entry.Brand | Defender Security #ad |
Manufacturer | Prime-Line #ad |
Height | 2.49 Inches |
Length | 4.21 Inches |
Weight | 0.56 Pounds |
Width | 1.25 Inches |
Part Number | U 11316 |
Model | U 11316 |
More information #ad
8. EverPlus
#ad
Childproof Door Reinforcement Lock with 3 Inch Stop Withstand 800 lbs for Inward Swinging Door,Upgrade Night Lock to Defend Your Home Silver, EverPlus Home Security Door Lock with 8 Screws
#adEverPlus #ad - Easy to install: use a power screwdriver and drill to mount everplus security door lock on your door frame, and you can contact us if you have any issues during installation, finish DIY this door lock reinforcement installation in less than 5 minutes and you will reap the safety of the whole family.Easy to match any inward swinging door. This door guard prevents breaking in but is easy to open in case of emergency. This reinforcement lock is a good choice for home security. Easy to use: place index finger on top of door lock security and thumb on bottom and slide lock away from the base plate along with the door in the direction of the hinges then pull outward.
More information #ad
No tools are required to open, just a little practice. And the perfect gift for your families. Upgrade security design: 3" stop metal construction home security door lock with 4 screws designed to withstand 800Ibs of force, 12 times stronger than a normal deadbolt to against being kicked in. Good service: secure home by everplus, home security door lock defend your home safe, not only prevent break-in but also easily opens when meeting urgently. You will much more confident in your doors being able to sustain any sort of forced entry. This lock for door inside can provide protection for your children when you are not with them, it also makes the elderly or ladies feel safer when they are at home alone. Our high security door lock comes with an installation manual, we will help you.
Brand | EverPlus #ad |
Manufacturer | EverPlus #ad |
Height | 3 Inches |
Length | 1 Inches |
Weight | 0.35 Pounds |
Width | 2.43 Inches |
Part Number | 1 |
Model | EPDL001-1 |
Warranty | Items are warranted against manufacturing defects for 5 years. EverPlus responsible for damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
More information #ad
9. WINONLY
#ad
Night Lock Deadbolt Guard Defend Your Home 1PC, Home Security Door Lock Reinforcement, Upgraded Childproof Safety Door Locks Defender Easy Open with 3" Stop Withstand 800 lbs for Inward Swinging Door
#adWINONLY #ad - Place index finger on top of winonlY door lock and thumb on bottom and slide lock away from the base plate along the door in the direction of the hinges then pull outward. Upgraded easy open design - groove design for easy opening in emergency. Winonly provides a satisfactory warranty to make sure you could buy door locks with confidence.Upgradedsecurity door lock design, keep your home safe: 3" stop metal construction with 8 strengthen screws, 12 times stronger than a normal deadbolt to against being kicked in. Home essential door lock reinforcement for kids and adults! Easy to install - use power screwdriver and drill to mount winonly security door lock on your door frame, finish DIY WINONLY door lock installation in less than 5 minutes.
More information #ad
Ideal and safe door lock latches devices for tenants and landlords. Not only prevents breaking in but is also easy to open in case of emergency. Winonly safety door lock guard your home security as a door defender. Winonly security door lock guard your home safe, which you can choose according to your needs. Winonly door reinforcement lock has a spring-loaded design to prevent children from opening the door to unknown people. Easy to match any inward swinging door. Suitable for both elderly parents and ladies when they are at home alone.
Brand | WINONLY #ad |
Manufacturer | WINONLY #ad |
Height | 3 Inches |
Length | 1 Inches |
Width | 2.43 Inches |
Part Number | Door Lock U95278 |
Model | Door Lock U95278 |
More information #ad
10. WINONLY
#ad
Add Extra Lock to Defend Your Home Safe Black, Upgrade Easy Open Childproof Door Reinforcement Lock with 3" Stop Withstand 800 lbs for Inward Swinging Door, Home Security Door Lock
#adWINONLY #ad - Winonly provides satisfied warranty to make sure you could buy door lock with confidence and would try to solve any problem until you are satisfied. No tools required to open, just a little practice. Easy to match any inward swinging door. Upgraded safer security design - 3" stop metal construction with strengthen screws home security door lock designed to withstand 800 Ibs of force, Add Extra Door Lock, 12 times stronger than a normal deadbolt to against being kicked in.Winonly secure lock guard your home safe, Defender you and Prevent Unauthorized Entry. Add a extra winonly safety door lock to guard your home security as a door defender.
More information #ad
Easy to install - use power screwdriver and drill to mount winonly security door lock on your door frame, finish DIY Winonly door lock installation less than 5 minutes. Winonly door reinforcement lock has a spring-loaded design to prevent child from opening the door to unknown people. Add extra door lock to keep your home safe. Satisfied warranty - secure home by winonly, home security door lock defend your home safe, not only prevent break into but also easy open when meet emergency. Upgraded easy open design - groove design for easy opening in emergency. Place index finger on top of winonly door lock and thumb on bottom and slide lock away from the base plate along the door in the direction of the hinges then pull outward. Not only prevent breaking in but also easy to open in case of emergency.
Brand | WINONLY #ad |
Manufacturer | WINONLY #ad |
Height | 3 Inches |
Length | 1 Inches |
Weight | 0.35 Pounds |
Width | 2.43 Inches |
Part Number | U95278 |
Model | Door lock U95278 |
More information #ad