Easy to use: automatic induction door closer without perforation, glue installation without holes, good firmness, no damage to the wall, easy installation, high temperature resistance. Automatic closing of all doors : suitable for doors or gates with stronger closing force. Left and right doors, wood and metal doors, residential and commercial doors, exterior/interior door closers, fire doors. Note: The door closer is not suitable for doors with carpet or excessive friction. The service life of 800g is about 6000 times: the thicker the spring, the higher the resistance , the greater the tension of 800 g, the stronger the tension. Scope of delivery: 1 closure without perforation, with steel cable, 1 adhesive hook, 4 screws. The two installation methods guarantee the stability of the door closer, do not damage the wall, and are easy to install. Features: anti-oxidation, anti-corrosion, anti-rust, stability, resistance wear resistance, weather resistance, hydraulic pressure, quiet, safe and reusable. Color:White Specification Material: ABS housing + ABS cable steel Size (L x W x H): approx. 6.3 x 6.3 x 1.6 cm Length of the rope: approx. 1.2 m Cable diameter: 1.2 mm Rally range: 800g Weight: 130 g Product List 2* 800g Door closer pull force Automatic door closer installs quickly without drilling 3M glue, it is firm and does not damage the wall, easy to install, and resistant to high temperatures. 1200g improved traction: suitable for heavier doors, such as exterior iron doors, doors locks, windows, heavy sliding doors, etc.