[Silent Closing]:This Door Closer is equipped with a built in damping system that automatically when closing the door,eliminating noise and creating a quiet and comfortable home environment.No need to forcefully close the door,a gentle push is enough,avoiding the noise caused by the doorknob hitting the wall [Protects Door Locks]:The damper the closing action of the door,reducing impact on locks and extending their lifespan.It prevents doorknobs from falling off or getting damaged due to forceful impacts [Prevents Hand Pinching]:The damper controls the bound of doorknobs preventing sudden bound that could pinch hands.It's especially suitable for families with children ensuring their safe [Material]:This Door Closer is made of Zinc Alloy and PP Material,which is study and can be used for a longt ime [Application]:The Door Damper is suitable for Home,Residential,Garage and Commercial Door Use, Weight: 1.2786811196 pounds, Manufacturer: TWISAXC