- Upgraded Security Design: This robust 3' metal door lock is engineered to provide exceptional home security, capable of withstanding 800 lbs of force—12 times stronger than standard door latches. It features a reinforced design to prevent forced entry and comes with 8 screws (4 long and 4 short) for customized installation. - Easy Installation: Set up the security door lock effortlessly using an electric screwdriver and drill. Complete the installation in under 5 minutes, making it an ideal choice for any inward-opening door. Your family will appreciate the quick and easy DIY setup. - User-Friendly Operation: To open the door lock, simply slide it away from the bottom plate using your index finger and thumb. This tool-free operation requires minimal practice and ensures quick access in emergencies while effectively preventing break-ins. - Enhanced Home Safety: The door lock provides an added layer of protection for children, preventing unauthorized access when you're away. Designed with a spring mechanism, it keeps the door secure against strangers, giving peace of mind to those at home, including the elderly and individuals living alone. - Versatile Applications: Perfect for front doors, back doors, or any internal doors needing additional security. This lock is not only a strong deterrent against break-ins but also ensures safety for your loved ones, making it an essential addition to any home. - Durable Material: Constructed from high-quality metal, this door lock is built to last, ensuring long-term security and reliability for your home. Choose this reinforced door lock for superior home protection, easy installation, and peace of mind for your family.