Description: 【Premium Material】: Crafted from premium galvanized iron, this garage door side lock is built for nice durability, wear resistant, sturdy, not easy to break and ensures a long time to use 【Enhanced Garage Security】: The garage inside deadlock acts as an additional security measure, great for securing your garage overnight, during vacations, etc., adding a crucial layer of protection 【Inside Deadlock】: The manual locking sliding latch is designed for interior operation only, slides into your garage door's vertical track, making it inaccessible from the outside 【Easy Installation】: The door security slide latch is easy to install, and allows for mounting on either the left or right side of the door, flexible and convenient 【Wide Applications】: The garage door side lock is suitable for most garage doors, has stable performance,and has a long service life Specification: Material: Galvanized Iron Size Chart:14.5cmx10cm/5.71inchx3.94inch Package Includes: 1 Set Garage Door Side Lock  Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.