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2 Pack Door Chain Lock Black, Security Door Chain for Inside Door, Premium Thickened Chain Door Lock with 12 Screws

What it does: This safety lock allows the door to open slightly for safe viewing and ventilation, and can be installed out of reach of children so they can't open the door on their own, providing additional child-safe door security. It also prevents pets from opening doors or leaving gaps for pets to pass through.
Applicable: This door lock is also applicable to your hotel and apartment to prevent unauthorized persons from entering, protecting home security during travel, home, bedroom, hotel, apartment security.
Dimensions: This safety lock and chain can be used on all types of doors and can be placed above or next to the door frame. The lock is 3.4 inches long and the chain is 7.35 inches long. It has 8 welded steel chains with gong wire and requires fasteners to complete the installation.
Simple installation: Just measure, mark the position of the door after it needs to be drilled and a few minutes of free time, the installation is convenient and you can purchase with confidence.
Note: Please refer to the picture size before ordering and compare it with your requirements.

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What it does: This safety lock allows the door to open slightly for safe viewing and ventilation, and can be installed out of reach of children so they can't open the door on their own, providing additional child-safe door security. It also prevents pets from opening doors or leaving gaps for pets to pass through.
Applicable: This door lock is also applicable to your hotel and apartment to prevent unauthorized persons from entering, protecting home security during travel, home, bedroom, hotel, apartment security.
Dimensions: This safety lock and chain can be used on all types of doors and can be placed above or next to the door frame. The lock is 3.4 inches long and the chain is 7.35 inches long. It has 8 welded steel chains with gong wire and requires fasteners to complete the installation.
Simple installation: Just measure, mark the position of the door after it needs to be drilled and a few minutes of free time, the installation is convenient and you can purchase with confidence.
Note: Please refer to the picture size before ordering and compare it with your requirements.

Additional Information
First Listed on Newegg	October 12, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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