1 Pc Heavy Duty Door Chain Restrictor Latch Bolt Slide Guard Home Security Lock

This heavy duty brass slide bolt entry security door chain guard lock is a perfect tool for adding extra safeguard to your household.
It includes screws to attach to door and door frame, and easy to install.
Measures: 3.15" L
This chain door guard is a security locking device for doors, allowing a door to be slightly opened to allow safe viewing and ventilation.Widely Used: Chain restrictor lock can be used in many places, such as apartment doors, hotel doors, office doors, bedroom doors, storeroom doors, basement doors, garage doors, cabinet doors, windows and so on.
Can be used as a door Locks for Child Safety: The chain locks for inner door protect your home, it can be installed out of reach of children so they can't open the door by themselves, leaving room alone, providing additional child-safe door security.
Package include 1 heavy duty door lock hinger and 9 screws.