Specification:Product name: automatic door closerColour: BlackApplication: all kinds of doors that cannot be closedCore: Constant Force Turbine ClockworkMaterial: shell ABS plastic, steel rope 304 rubber coatingRope length: 1.2mSteel rope thickness: 1.1mmAperture: 4.mmProduct size: 63.3*63.3*17.4mmInstallation method: punching/free punchingPackage List1 * Automatic door closer 1 * Regulator 4 * Mounting screws 1 * 3M nail free gluePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.11. Highquality multifunctional automatic door closer, which automatically closes all doors. 22. Very suitable for home use, light office use, shed, ranch, home office and other scenes. 33. Fast installation in 10 seconds, no holes when the glue is installed, firmness and no damage to the wall, the load-bearing capacity can reach more than 8 kg, easy to install and high temperature resistance. 44. The high-quality stainless steel wire rope has passed 10,000 times of tensile test and rebound test, and has a strong tensile force. 55. It is widely used for doors or doors with strong closing force. Doors that can be opened left and right, wooden and metal doors, residential and commercial doors, exterior/internal door closers, fire doors, etc. 66. Anti-oxidation, anti-corrosion, non-rusting, stable, wear-resistant and safe closing device.