[ROBUST ALUMINUM CONSTRUCTION]Crafted from high-grade aluminum alloy, our home security door locks are built to withstand forces up to 800 lbs. This sturdy design ensures robust protection against break-ins and adds an extra layer of security to your home. [PREMIUM STAINLESS STEEL SCREWS INCLUDED]This kit includes a total of stainless steel screws: measuring. The screws are designed for strength, easy drilling, and resistance to rust, enabling a secure and lasting installation to suit various door frame requirements. [QUICK & SIMPLE INSTALLATION]Easily secure your doors with our straightforward installation process utilizing a power screwdriver. Install the security latch at the right height on a leveled door frame, ensuring a minimum clearance of 0.07 inches for optimal functionality. [ENHANCED ]Ideal for boosting the security of your home, this door reinforcement lock is especially beneficial for single , seniors, and families with young children or pets. It's not just a lock but a peace of mind, making it an excellent gift or personal security solution. [VERSATILE APPLICATION]Our reinforcement door locks are compatible with nearly all types of inward swinging doors. Whether it's your front door, bedroom, bathroom, or home office, enhance your privacy and security by installing these reliable locks wherever needed. Colour:Silver Material:Aluminum Alloy Package Contents: 3 x Door and window reinforcement lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.