Automatic door closer,The high-quality steel wire rope has passed 50,000 times of tensile test and rebound testwith strong 800G Pull, with strong tensile force. Punch-free Automatic Sensor Door Closer, Hole-free adhesive installation,good firmness,does not damage the wall,easy installation,high-temperature resistance. Anti-oxidation, anti-corrosion, stable, wear-resistant, weather-proof, hydraulics, safe shut-off device. ABS plastic, 0.9 steel wire rope, can be equipped with various ports. Suitable for doors,or doors with a slightly stronger closing force. Doors that open left and right,wooden and metal doors,residential and commercial doors,exterior/inner door closers,fire doors. Please Note: Door closers are not suitable for doors with carpet or too much friction., Manufacturer: Tiardey