Home security Door Reinforcement Lock,12 times stronger than a normal deadbolt to against being kicked inEASY TO INSTALL:Suitable for inward swinging door,Use power screwdriver and drill to mount security door lock on your door frame,finish door lock installation less than 5 minutesSECURITYUse this 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.Colour:Black Material:aluminum alloyPackage Contents:1* hinge lock4* screwOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.