---
product_id: 575667147
title: "Home Security Door Lock, Upgraded Metal Door Reinforcement Lock, 3\" Withstands 1000 lbs of Impact for Inward Swing Doors, Defender Door Locks for Kids Safety, Prevent Unauthorized Entry (White)"
brand: "crosize"
price: "VT4674"
currency: VUV
in_stock: true
reviews_count: 13
category: "Crosize"
url: https://www.desertcart.vu/products/575667147-home-security-door-lock-upgraded-metal-door-reinforcement-lock-3
store_origin: VU
region: Vanuatu
---

# Child-proof spring lock 5-min easy installation 1000 lbs impact resistance Home Security Door Lock, Upgraded Metal Door Reinforcement Lock, 3" Withstands 1000 lbs of Impact for Inward Swing Doors, Defender Door Locks for Kids Safety, Prevent Unauthorized Entry (White)

**Brand:** crosize
**Price:** VT4674
**Availability:** ✅ In Stock

## Summary

> 🛡️ Lock down your peace of mind with next-level door defense!

## Quick Answers

- **What is this?** Home Security Door Lock, Upgraded Metal Door Reinforcement Lock, 3" Withstands 1000 lbs of Impact for Inward Swing Doors, Defender Door Locks for Kids Safety, Prevent Unauthorized Entry (White) by crosize
- **How much does it cost?** VT4674 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/575667147-home-security-door-lock-upgraded-metal-door-reinforcement-lock-3)

## Best For

- crosize enthusiasts

## Why This Product

- Trusted crosize brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Fit:** Designed for all inward swing doors—front, bedroom, garage, and basement included.
- • **Child-Safe Design:** Spring-loaded lock prevents kids from opening doors, giving parents peace of mind.
- • **Emergency Friendly:** Groove design enables fast unlocking from inside—safety without compromise.
- • **Unmatched Strength:** Withstands 1000 lbs of force—15x stronger than standard deadbolts for ultimate protection.
- • **Quick & Simple Setup:** Includes 8 screws and installs in under 5 minutes with basic tools—security made effortless.

## Overview

The Crosize Home Security Door Lock is a robust aluminum alloy reinforcement lock engineered to withstand up to 1000 lbs of impact, making it 15 times stronger than typical deadbolts. Perfect for all inward swinging doors, it features a child-proof spring-loaded mechanism and a user-friendly groove design for quick emergency unlocking. Easy to install with included hardware, this lock offers a sleek, durable solution to prevent forced entry and unauthorized access, ideal for families, solo dwellers, and anyone serious about home security.

## Description

Product description

Review: Keeps the door SECURE when needed!!! - This product was incredibly easy to install and provides an excellent additional layer of security for my back door, complementing my existing chain lock perfectly. The construction quality is impressive—it feels sturdy and substantial for its size, with no flimsy components whatsoever. It works exactly as described, and I'm happy to give it my 5 stars.
Review: Amazing products - The build quality feels solid and durable, giving me confidence in the safety it provides. The metal finish is sturdy and resistant to scratches, and the locking mechanism operates smoothly without sticking. Installation was fairly straightforward with clear instructions, though it required some basic tools and a little patience to align perfectly. Once installed, the lock feels secure, and the key turns easily without any jamming. I particularly appreciate the added features, like anti-pick pins and reinforced deadbolt, which give extra peace of mind. It also has a sleek design that blends well with both modern and traditional door

## Features

- Prevent Forced Entry - Made of all-aluminum alloy, the sturdy home security door locks can withstand 1000 lbs of force, 15 times stronger than a ordinary deadbolt, It can prevent the door from being kicked in, and ensure any door cannot be opened from the outside. This reinforcement safety door lock guards your home safe.
- Adaptability - It is suitable for front doors, door inside, bedroom doors, side and garage doors, and basement doors. Use this high-security door reinforcement lock to prevent breaking in. You will be much more confident in your doors being able to sustain any sort of forced entry.
- Home Security - This reinforcement lock has a spring-loaded design to prevent children from opening the door on their own. While locked, this reinforcement door latch protects against the door being kicked in, lock picking, and bumping and it is designed for women living alone, the elderly.
- Easy to Install - Each metal door reinforcement lock is equipped with a total of 8 screws including 4 long and 4 short ones, select the appropriate screws, and use an electric drill to install them within 5 minutes. Easily add an extra lock to your door, and match any inward swinging door.
- Easy to Use - Groove design for easy opening of the door safety locks from the inside, especially in an emergency. Unlocking and locking can be completed within a second. No tools are required to open it, just a little practice. The most convenient and fast door security device. We offer a one-year free warranty on our products.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CFKLPMMK |
| Additional Features | Emergency Groove Design, Childproof Spring-loaded Mechanism |
| Best Sellers Rank | #12,461 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #30 in Door Latches & Bolts |
| Brand | Crosize |
| Brand Name | Crosize |
| Color | White |
| Control Method | Touch |
| Customer Reviews | 4.6 out of 5 stars 1,940 Reviews |
| Included Components | Security Door Lock |
| Item Dimensions | 2 x 0.2 x 2 inches |
| Item Type Name | HARDWARE |
| Item Weight | 0.16 Kilograms |
| Item dimensions L x W x H | 2 x 0.2 x 2 inches |
| Lock Type | Deadbolt |
| Manufacturer | Crosize |
| Manufacturer Part Number | Security Door Lock |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Name | Security Door Lock |
| Model Number | Security Door Lock |
| Recommended Uses For Product | Home |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | Emergency Groove Design, Childproof Spring-loaded Mechanism |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Crosize
- **Color:** White
- **Item dimensions L x W x H:** 2 x 0.2 x 2 inches
- **Lock Type:** Deadbolt
- **Material:** Aluminum

## Images

![Home Security Door Lock, Upgraded Metal Door Reinforcement Lock, 3" Withstands 1000 lbs of Impact for Inward Swing Doors, Defender Door Locks for Kids Safety, Prevent Unauthorized Entry (White) - Image 1](https://m.media-amazon.com/images/I/61FGmcgWzbL.jpg)
![Home Security Door Lock, Upgraded Metal Door Reinforcement Lock, 3" Withstands 1000 lbs of Impact for Inward Swing Doors, Defender Door Locks for Kids Safety, Prevent Unauthorized Entry (White) - Image 2](https://m.media-amazon.com/images/I/816+r-pksEL.jpg)
![Home Security Door Lock, Upgraded Metal Door Reinforcement Lock, 3" Withstands 1000 lbs of Impact for Inward Swing Doors, Defender Door Locks for Kids Safety, Prevent Unauthorized Entry (White) - Image 3](https://m.media-amazon.com/images/I/81tX3u2Dg9L.jpg)
![Home Security Door Lock, Upgraded Metal Door Reinforcement Lock, 3" Withstands 1000 lbs of Impact for Inward Swing Doors, Defender Door Locks for Kids Safety, Prevent Unauthorized Entry (White) - Image 4](https://m.media-amazon.com/images/I/81nrssRAs-L.jpg)
![Home Security Door Lock, Upgraded Metal Door Reinforcement Lock, 3" Withstands 1000 lbs of Impact for Inward Swing Doors, Defender Door Locks for Kids Safety, Prevent Unauthorized Entry (White) - Image 5](https://m.media-amazon.com/images/I/815Z4-jVsML.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Keeps the door SECURE when needed!!!
*by A***E on December 24, 2025*

This product was incredibly easy to install and provides an excellent additional layer of security for my back door, complementing my existing chain lock perfectly. The construction quality is impressive—it feels sturdy and substantial for its size, with no flimsy components whatsoever. It works exactly as described, and I'm happy to give it my 5 stars.

### ⭐⭐⭐⭐⭐ Amazing products
*by D***T on February 6, 2026*

The build quality feels solid and durable, giving me confidence in the safety it provides. The metal finish is sturdy and resistant to scratches, and the locking mechanism operates smoothly without sticking. Installation was fairly straightforward with clear instructions, though it required some basic tools and a little patience to align perfectly. Once installed, the lock feels secure, and the key turns easily without any jamming. I particularly appreciate the added features, like anti-pick pins and reinforced deadbolt, which give extra peace of mind. It also has a sleek design that blends well with both modern and traditional door

### ⭐⭐⭐⭐⭐ Fortified Safety
*by C***P on July 15, 2024*

Enhancing home security is a priority for many, particularly for those with families or valuable possessions. The Home Security Door Lock offers a robust solution to strengthen entry points and instill peace of mind. After installing this upgraded metal door reinforcement lock on both my home's front and garage doors, I have observed its substantial impact on security and childproofing. Ease of Installation and Use: One of the standout features of this security lock is its simplicity. The installation process is straightforward, making it accessible for individuals without extensive DIY skills. This ease extends to its daily use, where engaging and disengaging the lock requires minimal effort—a crucial factor for quick access in case of emergencies. Durability and Strength: The lock’s sturdy construction is evident from the first use. It can withstand up to 800 lbs of impact, providing an extra layer of security against forced entry attempts. This robustness is particularly comforting in areas where break-ins might be a concern, adding a significant deterrent against potential intruders. Aesthetic and Design: Despite its strength, the lock sports a sleek, silver finish that integrates well with various door aesthetics without being obtrusive. This thoughtful design ensures that securing your home does not come at the expense of its visual appeal. Value for Families: With a baby on the way, the lock's role in childproofing becomes even more valuable. It prevents toddlers from easily opening doors, an often-overlooked aspect of child safety within the home. This feature alone makes the lock a worthwhile investment for families seeking to create a safer environment for young children. Community Endorsement: The response from visitors has been overwhelmingly positive, with many requesting purchase information for their own homes. This widespread approval underscores the lock’s effectiveness and appeal as a security solution. In conclusion, the Home Security Door Lock is an exceptional choice for anyone looking to enhance the safety and integrity of their home. Its combination of strength, ease of use, and aesthetic discretion makes it an excellent investment for both security-conscious homeowners and families looking to childproof their homes. Whether securing front doors or more vulnerable side entries, this lock promises both immediate and long-lasting peace of mind.

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-06-05*