automatic door closerproduct description:Material: Stainle steelColor: Black/Brushed Silver/Red Bronze/White/BronzeAdjustable closing force, suitable for left-handed and right-handed doors.Applicable door weight is 20-40kg, door width ≤1000mm (if your door is heavy, you can install multe door closers at the same time to increase the closing force)Ordinary doors only need to install one. If it is a heavy-duty anti-theft door, multe door closers can be installed at the same time. When automatic door closing is not required, there is no need to remove the main body of the door closer, Just fold the boomPackage Included:1 piece x automatic door closer (with a full set of installation parts and debuing tools)Sturdy and ble: Made of stainle steel for maximum corrosion resistance and bilityLow noise: no external pull rope and other obstacle parts, built-in strong spring, no noiseWIDE APPLICATION: Ideal for home use, light office use, sheds, ranches and home offices. Suitable for fire doors, suitable for all kinds of medium-sized doors.nsition: 1 cm = 10 mm = 0.39 inches1. Due to different monitors and lighting effects, the actual color item may be slightly different from the colors shown on the pictures. Thanks!