Durable QualityThis Door Closer Is Made Of High Quality Metal Iron. The Material Is Thick And Durable, Not Easy To Deform. The Surface Has A Smooth Chrome Layer, Which Reduces Friction And Noise, Does Not Rust Or Wear Out, And Has A Longer Service Life.Self-Closing The Door Closer Adopts A Closing Design Spring-Loaded Automatic Door, And The Closed State Is Automatically Restored By The Spring. There Is No Need To Close The Door After Entering The Door, Which Can Effectively Reduce The Door Closing Force And Prevent The Door From Being Damaged. Suitable For Door Widths Of 500-700Mm.Adjustable Closing Speed And Spring Tension Are Adjustable. You Can Reduce The Noise And Open And Close The Door More Quietly, Remove The Pin, Then Use An Allen Key To Twist The Tail, Align The Appropriate Holes, Then Insert The Pin. Make Your Daily Life Quieter And More Comfortable.Easy To Install The Door Closer Is Convenient And Quick To Assemble. The Left And Right Doors Can Only Be Assembled By Installing The Door Closer Between The Door Frames And Securing Them With Screws. It Can Also Be Installed On The Wall.Wide Range Of ApplicationsThis Door Closer Is Very Suitable For Wooden Doors And Aluminum Doors In Apartments, Offices, Hotel Rooms, Spaces Interiors And Exteriors, And Offers You Other Application Scenarios.