???Package Contents?You'll get 1 pcs of punch-free closer with steel rope, 2 pcs of adhesive hooks, and 1 pcs of small Allen keys?4 screws. Two installation methods ensure the stability of the door closer, do not damage the wall, easy installation. | ???50,000 Tests and 800G Pull? *The high-quality steel wire rope with diameter of 1.2mm has passed 50,000 times of tensile test and rebound test with strong 800G Pull. *800G tension (80N), suitable for doors or doors with stronger closing force. For example: screen doors, sliding double doors, invisible doors, security doors, aluminum alloy glass doors, iron doors, office doors, interior doors, kitchen and bathroom doors. | ???Automatically Close All Doors?: 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. | ???Easy to use? Punch-free Automatic Sensor Door Closer, the installation method is simple and easy to operate. The attached hexagon wrench can adjust the size of the wire buckle and fix it. Small copper tube design effectively avoid steel wire rolling up. | ???Features? Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulics, quiet, safe and reusable.