# 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.

- [Original product page](https://best-deals.pro/product/winonly-dl-01-door-reinforcement-lock)
- [View offer](https://best-deals.pro/visit/winonly-dl-01-door-reinforcement-lock)
- Market: US
- Language: en-US
- Currency: USD
- Brand: WINONLY
- Model: DL-01
- Category: Tools & Garden > Hardware & Building Materials
- Price: 21.98 USD
- Previous price: 25.99 USD
- Discount: 15%
- Price checked: 2026-11-14T07:03:28.425Z
- Rating: 4.8 / 5
- Reviews: 1511

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## 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.

## 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.

## 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

## Before you buy

- 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.

## In the box

- 3 door locks (Included)
- Mounting screws (Included): The listing also describes 8 screws per lock.
- Installation instructions (Included)

## 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.

## Customer feedback

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.
- Positive themes: Customers appreciate the appearance and report a sense of added security and peace of mind.
- Positive themes: 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.

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## Images

![WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack — 1](https://best-deals.pro/i/0bSGyoI0ww8tPEumvdcVeLiQ45FHi6cak1X6KOa4fXyLvWuTO2PKOfMMwwnJWjC_zRoDGnjjJfIhrk-QapuPH2vHnvIxELA9NywABdr1rrHG5APhfqjlmRfM.jpg)

![WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack — 2](https://best-deals.pro/i/6ElQb_31wVcvuei_veNDKNNZ7k3dCbhjwgJHh3uFBr9s61ndyTAKfELah3jCvFjIA7hLS8dvN-62TqEO0G8LBH26leBWMtf0UgnPK8gSlMNa4bgicid6VbI_.jpg)

![WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack — 3](https://best-deals.pro/i/07cPrD5Zh-OTnntV8UBRFn5F8A7lzaPyz6PSpWVio826pGhidbvjYVxFpn5Zeg104zT6ObKB6TVL_leKY1bge4IWSybot0qIYpOklEAqFnFWAebsflZbdd3j.jpg)

![WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack — 4](https://best-deals.pro/i/Zj4MSCCf8PxOs4ci6pF-42Mqne8kxuYAie510Id_YRj4fjG-1qL6IHzQVLLswFskoYUr-8QvFu7dFe5UVOit-WtvX6kb4ZiVSuv6ov_wy9YuwGQZyI070xBL.jpg)

![WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack — 5](https://best-deals.pro/i/IjL4jOA_Y25y4dMkm9YRF69fMJCnjNJyJwV3LOyHa6esSNHlPDqx-KVco4RgYZB4M0YUYXi7XWSbO7UzY2EzHuHB-8xh66HOHlltONdfZmtrA6ygzFThauow.jpg)

![WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack — 6](https://best-deals.pro/i/LxSi-56ytLzSqjNRG5XQvwgn1KDkYzoTUFSJJvFRXrsOvnddeiqrTTUZmcxWPBLbCc-18dHG7uiZgIeC2zXpvx5rMFrISkSn5V-A9V9wrE44-vvCzWamHRi_.jpg)

![WINONLY DL-01 3-Inch Door Reinforcement Lock, 3-Pack — 7](https://best-deals.pro/i/Lxi2VaS4YWRzLZAyH09EEwIp55lwxHWLkWs_4gIYylDRxWEAIDwh37bylgpzq79X8UfnqYTxwPkLHY9qodi--u8RW60HALqgkDddunjYarGfrN8FjUyWU8RT.jpg)