KEEP YOUR HOME SAFE Designed to withstand 800 lbs. of force, this U 11126 bronze finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe EASY INSTALLATION The included 3 hardened screws make installation a breeze extra security and peace of mind can be achieved in just minutes Pre-drilling the included 3 in. security screws require holes to be pre-drilled with 1/8 in. drill bit ADDITIONAL HOME SECURITY - Use this bronze finish high security door reinforcement lock for additional home security on any swing-in door of any door thickness. It helps to ensure any door cannot be opened from the outside. CHILD-SAFE AND TAMPER-RESISTANT This door reinforcement lock has a spring-loaded design that is both child-safe and tamper-resistant. It can be installed higher on the door where your children cant reach Plus, not only can doors not be kicked in by intruders, it protects against lock picking and bumping while in the locked position. FIT: As far as it not fitting certain doors the customers may need to make modifications to their door jamb WATCH THE VIDEO ON THIS PAGE for installation tips and operating instructions. For all dimensional information please refer to the line art and compare to your needs before purchasing