Comprehensive Packaging: for covering adjustment holes, seals for door protection and so on; The door closers feature an automatic function and a stylish painted finish that suits most type of doors Quality Manufacturing: the door self closer is constructed from quality metal, promising noiseless operations and outstanding durability; With its corrosion resistant and rustproof , this automatic door closer ensures an effortless and secure living environment while maintaining the condition of your door and lock Easy Installation: easy surface mounting; This automatic door closer can be applied on doors weighing up to about 132.28 lb/ 60 kg; Equipped with this device, you can easily convert a hinged door into a self closing one for your convenience Quiet Operations: this safety spring door closer, with its automatic function, effectively closes your door without creating disturbance; Whether at rest or at play, you will be at ease knowing that your children or pets will not unintentionally enter or exit your home or room Broad Usability: this door closer is suitable for a wide range of door weights, from 44.09-132.28 lb/ 20-60 kg; With its delicate design, it can be applied on either left or right wing doors, making it Perfect for homes, offices, hotel rooms, as well as garden gates and shed doors Please note: the physical slightly color difference or difference, please do not mind, does not affect the use, thank you! Material: Metal colour: Black Package Contents: 4 x Automatic Door Closer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.