Main FeaturesQuick Install Hole-free 3M glue installation, firmness does not damage the wall, easy installation, high-temperature resistance. 50,000 Tests The high-quality P12 steel wire rope has passed 50,000 times of tensile test and rebound test, with strong tensile force. 800G Pull Suitable for doors, or doors with a slightly stronger closing force. Doors that open left and right, wooden and partial metal doors, residential and commercial doors, exterior/inner door closers, fire doors Characteristic Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulic, quiet, safe shut-off device.SpecificationsMaterial:ABSProduct Size:500 G pull size:about 4.4*4.4*1.6 cm 800 G Pull size: about 6.3 * 6.3 * 1.6 CMPackage Content:1*Automatic Door Closer Notes:1.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.2.Please allow 1-2cm slight dimension difference due to different manual measurement.