304 stainless steel security chain, heavy-duty locking chain for security doors, anti-theft door chain with spring-loaded button, screws included

Anti-Theft Security: This security chain door lock is designed with a built-in spring mechanism, providing a secure way to partially open your door for identification and ventilation. The internal lock ensures that the chain cannot not be released from the outside, improving the protection of children, pets and the elderly. A reliable front door chain lock solution that improves home and apartment security.

Premium Stainless Steel: Made of thick stainless steel, this heavy-duty door lock resists rust, breakage and warping under force. Reinforced plates and welded links provide long life for wooden or metal doors. Its corrosion-resistant finish ensures that this door security chain remains visually stylish and structurally sound even with frequent use.

Compact Size: The front door chain includes a large base plate (122 mm x 22 mm), a smaller base plate (62 mm x 22 mm), and a 170 mm chain for secure fastening. Compatible with interior and exterior doors of homes, hotels, offices, and rental properties, this door chain lock is a versatile and essential upgrade for modern front door security needs. Simple Installation Instructions: The door chain comes with 20 mm stainless steel screws for easy installation on most door frames. Whether you mount the door security chain vertically or horizontally, installation takes only minutes with basic tools. The included fixings ensure a strong hold, providing a hassle-free installation for any user, from DIY enthusiasts to professionals. Multifunctional Door Chains: These entry door chains support a wide range of uses, from residential bedrooms to hotel or apartment entrances. The front door security lock allows safe airflow and visibility while protecting against forced entry. Designed for peace of mind, this door lock chain ensures safer environments for families, guests, and tenants.