Strong load-bearing capacity and can bear a weight of 20-50kg It can adjust the force according to demand and maintain stable The door Closers has an automatic Rebounds function, which can that the door automatically rebounds after closing, avoiding hazards caused by the door not being fully closed Made from aluminum, ensuring stability and durability , no need for additional door modifications, can be quickly installed on existing doors The thick roller can effectively reduce the force when closing the door and reduce noise, Manufacturer: Kaeltsyn