Suitable for homeowners, office managers and hotel maintenance personnel who want to increase safety and ensure a quiet environment by automating their door closing process Package comes complete with all necessary hardware, making installation a breeze for enthusiasts or professional installers looking for a sturdy door locking solution This door closer features an adjustable spring tension mechanism that is easy to adjust with the included hex key and ensures a smooth and quiet closing of the door every time Experience the convenience of a self-closing door with this automatic door closer that is made of rust resistant and durable steel This door closer is ideal for indoor and outdoor use and multifunctional for garden gates, room doors and various other environments where a weight is between 20 and 40 kg within the door specifications, Manufacturer: Vdaxvme