Features: 100% brand new and high quality 100% brand new and high quality Made of aluminum alloy, anti-corrosion and durable. The door is closed and buffered to avoid damage to the door due to collision. Built-in high-strength spring, strong pulling force, good durability. The closing speed can be adjusted, clockwise increases the buffer, counterclockwise increases the closing speed. It is suitable for a variety of usage scenarios such as ordinary wooden doors, aluminum window doors, screened doors, outdoor doors, etc. Package Includes: 1x Door Closer and Screw Specifications: Color:Brown/Sliver Bearing Weight: 35kg Material: Aviation Aluminum Alloy Size: As the Picture Shows Suitable Door Weight: 15~30kg Suitable for Door Width: 500~900mm Maximum Door Open Angle:100 Degrees note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.