General description Home Security Door Lock with 8 Screws is designed to enhance the security of inward swinging doors. This childproof door reinforcement lock features a robust 3-inch stop and can withstand up to 800 lbs of force, making it 12 times stronger than a standard deadbolt. It is an excellent choice for home security and a thoughtful gift for families. Technical specifications Material: Metal Stop size: 3 inches Weight capacity: 800 lbs Number of screws included: 8 (4 long and 4 short) Installation Installation can be completed in less than 5 minutes using a power screwdriver and drill. Comes with an installation manual for guidance. Compatible with any inward swinging door. Usage To operate, place your index finger on top of the lock and your thumb on the bottom, then slide the lock away from the base plate in the direction of the hinges and pull outward. No tools are required to open the lock, making it user-friendly with a little practice. Provides a secure barrier