►Add Extra Door Lock, Defend You and Prevent Unauthorized Entry
Winonly reinforcement security door lock guards your home safe. In addition to providing good quality security door lock ,we offer satisfying serv...

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►Add Extra Door Lock, Defend You and Prevent Unauthorized Entry
Winonly reinforcement security door lock guards your home safe. In addition to providing good quality security door lock ,we offer satisfying service and warranty on all our door locks to make sure that you could buy with confidence, we would try our best to solve the problem until you are satisfied .

►Upgraded Safer Door Lock with Groove Design for Easy Opening in Emergency.
This reinforcement security door locks not only prevent breaking in but also easy to open in case of emergency.

► Winonly Childproof Door Guardian Gives Your Family More Protection,Which is Also The Great Gift for Family.
In last years,more than 50,000 customers choose security door locks as home gifts.

Simple Installation - Extra Door Lock
Require drill, 1/8 in. drill bit and screwdriver.Easily install this door lock into your door frame with the included screws.(Chisel may be required if door fits tightly against the jam. )

Cost Efficient - Reinforcement Door Lock
Who says you can't have both quality and cost? With the purchase of our security door lock, you will get safety more than you can image.

► Let Winonly Home Security Door Lock Guard Home Safe as a Defender.
1) Tamper resistant and child-safe design, prevents children from wandering off un-attended.
2) Install in just minutes using strengthen screws.
3) Door sliding door security bar cannot be opened from the outside.
4) 12 times stronger than a common deadbolt.
5) Groove design for easy opening in emergency.
6) Work on inward swinging doors.

►Package Includes:
1 Instruction
1 Reinforcement Door Lock
4 Screws


  • Home Security, Sturdy Door Reinforcement Lock: 3" Stop metal home security door lock with 8 screws, including 4 long and 4 short, so you can choose according to your needs. The door latch lock can withstand a force of 800 lbs, which is 12 times stronger than a normal deadbolt, providing effective protection against forced entry. Front door lock makes you feel safe during the day or at night, enabling more relaxed rest. WINONLY door lock is an ideal choice for enhancing your home security.
  • Easy to Install, Easy to Use: With a power screwdriver and drill, you can install the door safety lock on the door frame within 5 minutes. The metal reinforcement door lock comes with an installation manual for your reference during the installation process. When the door is locked, reach out and press the upper and lower grooves of the reinforced door lock and pull horizontally to the fully unlocked state to unlock. This ensures quick unlocking in any situation, helping prevent accidents.
  • Childproof Lock Providing Peace of Mind: Reinforcement lock for front door features a child safety protection function. Door security lock unique spring-loaded design prevents children from opening the door to strangers. Flip lock for door safeguards your children from potential dangers such as the streets or pools when you're away or occupied. And for the elderly or women living alone at home, door lock reinforcement also provides an additional sense of security, making people more at ease.
  • Suitable for Most Types of Doors: Keep your family and property safe with the WINONLY high-security door lock; It works on inward-opening single doors that are flush with the door frame, have a gap greater than 0.07 inches, and have frames that can be drilled through with a power drill. Note: Not compatible with outward-opening doors, double doors, non-flush doors, gaps under 0.07", or undrillable frames; Ensure your door meets these conditions for optimal security with door reinforcement lock
  • Gift Ideas, Professional Service: The inward door lock is a unique, useful gifts for your family and friends, offering them security and peace of mind. The WINONLY customer service team will ensure that you have a satisfying shopping experience. If you have any questions during the purchase or use of our door locks, please feel free to contact us. With their professional insight and experience, our customer service team is dedicated to delivering tailored advice and solutions for your needs.
  • Home Security, Sturdy Door Reinforcement Lock: 3" Stop metal home security door lock with 8 screws, including 4 long and 4 short, so you can choose according to your needs. The door latch lock can withstand a force of 800 lbs, which is 12 times stronger than a normal deadbolt, providing effective protection against forced entry. Front door lock makes you feel safe during the day or at night, enabling more relaxed rest. WINONLY door lock is an ideal choice for enhancing your home security.
  • Easy to Install, Easy to Use: With a power screwdriver and drill, you can install the door safety lock on the door frame within 5 minutes. The metal reinforcement door lock comes with an installation manual for your reference during the installation process. When the door is locked, reach out and press the upper and lower grooves of the reinforced door lock and pull horizontally to the fully unlocked state to unlock. This ensures quick unlocking in any situation, helping prevent accidents.
  • Childproof Lock Providing Peace of Mind: Reinforcement lock for front door features a child safety protection function. Door security lock unique spring-loaded design prevents children from opening the door to strangers. Flip lock for door safeguards your children from potential dangers such as the streets or pools when you're away or occupied. And for the elderly or women living alone at home, door lock reinforcement also provides an additional sense of security, making people more at ease.
  • Suitable for Most Types of Doors: Keep your family and property safe with the WINONLY high-security door lock; It works on inward-opening single doors that are flush with the door frame, have a gap greater than 0.07 inches, and have frames that can be drilled through with a power drill. Note: Not compatible with outward-opening doors, double doors, non-flush doors, gaps under 0.07", or undrillable frames; Ensure your door meets these conditions for optimal security with door reinforcement lock
  • Gift Ideas, Professional Service: The inward door lock is a unique, useful gifts for your family and friends, offering them security and peace of mind. The WINONLY customer service team will ensure that you have a satisfying shopping experience. If you have any questions during the purchase or use of our door locks, please feel free to contact us. With their professional insight and experience, our customer service team is dedicated to delivering tailored advice and solutions for your needs.

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