3-Pack Automatic Door CloserThe package contains 3 pcs punchless door closer, 2 pcs black, 1 pcs white. Easy to install without damaging the wall. 50,000 tests and strong tensile strength The high-quality wire rope, diameter 1.2 mm, has passed 50,000 tests of strong pull and rebound force. *Black door closer has 800G pulling force), white has 500G pulling force, suitable for doors or gates with larger closing force. For example: screen door, double sliding door, invisible door, security door, aluminum alloy glass door, wrought iron door, office door, interior door, kitchen door.... < p> Automatic closing of all doorsSpecially designed for doors, or doors with greater closing force. Left and right opening doors, wood and metal doors, residential and commercial doors, exterior/interior doors, fire doors. PLEASE NOTE: Door closers are not suitable for carpeted or high friction doors. Easy to useThe installation method is simple and easy to use, and it is installed with a non-porous glue. Just stick them in the right place and wait 24 hours, they are ready to use. Door closers no longer need to be adjusted, they are pre-adjusted. Features Anti-oxidation, anti-corrosion, no rust, stable, weather-resistant. wear-resistant, weather-resistant, hydraulic, quiet, safe, reusable. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference of light and display, there will be a certain color difference, depending on the physical object received Delivery Quantity: (according to the main picture)