WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack

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Product guide

WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack

Inch Pack: The WINONLY DL-01 door reinforcement lock adds a manually operated secondary latch for compatible inward-opening doors. The listing describes a spring-loaded child-safety design and a quick-release action, but fit depends on the door and frame meeting specific installation conditions.

At a glance

Listing specifies use on inward-opening single doors that sit flush with the frame, with a gap greater than 0.07 inches and a frame that can be drilled.
The listing says installation uses a power screwdriver and drill. It describes pressing the latch grooves and pulling horizontally to release it.
The manufacturer claims an 800 lb force resistance. This is a listing claim, not an independently verified performance result.

Price

$21.98Save 15%

Reference price: ~~$25.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Three locks are listed, allowing reinforcement at multiple compatible doors.
The stated kit includes 24 screws and installation instructions.
The described press-and-pull release is intended to allow quick operation from inside.

Cons

Installation requires drilling into a compatible door frame, so it is not a fit for every doorway or a tool-free installation.

Technical specifications

12 specifications

Identity
Brand	WINONLY
Model	DL-01
Style	Door Reinforcement
Size	3 Inch
Color	Carbon Black
Finish	Polished

Dimensions and installation
Dimensions listed	4.19 x 8.1 x 11.09 inches
Weight listed	1.01 pounds
Installation method	Pre-paste

Materials and protection
Material listed	Aluminum

Package and support
Item package quantity	3
Warranty description	2-year

What to know before buying

Listing details to confirm

Check door fit before purchase. The listing excludes outward-opening and double doors, non-flush doors, gaps under 0.07 inches, misaligned frames, and frames that cannot be drilled. It claims 8 screws per lock in one feature description, while the included-components list specifies 24 screws for three locks. The stated 800 lb resistance and comparison with standard deadbolts are manufacturer claims, not verified measurements.

What’s in the box

Included

3 door locks
Mounting screws
Installation instructions

Who is it for?

A good fit for

Households seeking an added manual latch on qualifying inward-opening front doors.
Buyers wanting a three-lock set for several compatible doors.
People who can drill into the door frame and have checked the required door gap and alignment.

Less suited to

Outward-opening doors, double doors, non-flush doors, or doors with a gap under 0.07 inches.
Door frames that are misaligned or cannot be drilled.
Anyone seeking a stand-alone replacement for a primary lock or a verified forced-entry rating.

WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 1,511 ratings

5 stars86%86%
4 stars8%8%
3 stars4%4%
2 stars1%1%
1 star1%1%

Customer feedback describes the locks as good quality and easy to use, with positive comments about appearance, durability, security, and peace of mind. Fit is mixed, which matters because the listed installation requires a specific door swing, flush alignment, gap, and drillable frame.

Positive themes

Customers report good quality and ease of use.
Customers appreciate the appearance and report a sense of added security and peace of mind.
Durability and value are also mentioned positively.

Mixed feedback

Fit feedback is mixed. Some customers report a good fit while others say the lock does not work with their doors.

Frequently asked questions

Will this fit any front door?

No. The listing specifies inward-opening, single, flush doors with a gap greater than 0.07 inches and a frame that can be drilled. It excludes outward-opening and double doors, non-flush doors, and misaligned frames.

What does the package include?

The included-components list names three door locks, 24 screws, and installation instructions. A feature description separately mentions 8 screws per lock, which totals 24 for three locks.

How is the lock installed and opened?

The listing describes installation with a power screwdriver and drill. To release it, press the upper and lower grooves and pull horizontally.

Is the stated resistance independently verified?

No verification is supplied here. The manufacturer claims 800 lb resistance and a comparison with standard deadbolts, so treat those as listing claims rather than tested results.