Suitable for doors,or doors with a slightly stronger closing force. Doors that open left and right,wooden and metal doors,residential and commercial doors,exterior/inner door closers fire doors. Automatically close all doors. Very suitable for home use, light office use, shed, ranch and home office. After the door closer is glued, the stickiness is very strong and will not fall easily and nd it can be removed at any time when not in use, without damaging the surface of the object.