Door Chain Lock, 3mm Extra Thick 304 Stainless Steel Security Door Guard with Screws, Anti-theft Door Chain Latch for Home Bedroom Apartment C Premium Security Material: Crafted from 3mm extra-thick 304 stainless steel, this heavy duty door chain lock provides superior strength and rust resistance, ensuring long-lasting protection for your home, apartment, or hotel room door Easy Installation Design: Complete with mounting screws and simple instructions, this door security chain installs quickly on wooden doors, metal doors, or apartment entryways without professional help needed Versatile Home Protection: Perfect door chain guard for bedrooms, bathrooms, front doors, and rental properties - adds an extra layer of security while allowing safe partial door opening to check visitors Durable Anti-Theft Construction: The reinforced door latch chain features a secure sliding mechanism that withstands forced entry attempts, making it an essential home security accessory for families and solo residents Sleek Functional Design: This door safety chain combines practical security with a modern look that complements any interior décor, available in classic finishes to match your home's style while keeping you safe