Material: This door closer is made of sturdy materials and features an integrated stamping process and brushed surface. Wear-resistant, not easily broken, with a long service life Adjustable Door Closer: You can set the arm strength of this gate closer, and the adjustable tension function can flexibly meet different door types and uses Space Saving: This door stay for external door has a small size and does not take up much space during installation. It can also be stored when not in use, which is very convenient Easy Installation: This automatic door closer comes with complete accessories and is easy to install. Installation can be done in a short period of time without the need for complex tools, which is very convenient Applicable: This self closing door hinge is suitable for fire doors, anti-theft doors, wooden doors, household doors, etc. You can confidently choose this door closer for doors of any weight, Manufacturer: KJBDQQH