High quality: The door closer is made of high quality stainless steel, overall thickening, strong bearing capacity, strong corrosion resistance, not easy to deform, can be used for a long time. To avoid metal scraping noises, do not overtighten when installing.<br> Advanced technology: After complex processes such as electroplating, spraying, polishing and electroplating, the surface texture is fine and shiny as new after long-term use.<br> Easy to install: Threaded connection, easy to install, you need to remove the pin first, then use the hex wrench to twist the tail to align the corresponding hole, then insert the pin. It can be installed on the left and right, and the angle of the swing arm can be adjusted accordingly, and can be adjusted freely according to the installation requirements.<br> Reduce door closing force: automatic door closer It can reduce the force when closing the door to protect the door from damage. Protect doors from damage and reduce noise. With adjustable tension, adjustable screws for slow or fast closing allow you to create a quiet and comfortable environment.<br> WIDE APPLICATIONS: The door closer is adjustable for all types of intermediate doors - left and right, wooden doors, residential and commercial, door closers for exterior/interior doors, fire doors..Items from Sheng Xinshun's shop