1000g Super PullHigh quality 1.2m steel cable passed tensile and elasticity test multiple times. It has a strong pulling force and is not easy to break to avoid panic forgetting to close the door and have a more secure feeling. HIGH QUALITY MATERIAL Our automatic door closers are made of high quality ABS plastic. housing, rust, corrosion, abrasion, weather and rain resistant, high temperature resistance and long service life. Applicable to most kinds of doors Our automatic door closers are suitable for most doors, for example, doors with stronger closing force, doors that can be opened left and right, wooden and metal doors, residential and commercial doors, exterior doors/ interior, fire door. Quick InstallationThe punch-free automatic sensor Door closer is installed with non-porous adhesive (installation and use, use after 24 hours), strong adhesion and will not damage the wall. Wide range of applicationsMulti-functional automatic door closer, automatically closing most doors. Very suitable for families, small offices, hotels, dormitories, classrooms, businesses, sheds, classrooms and home offices. If you forget to close the door and you feel more and more secure, it will prevent you from panicking. This type of automatic door closer can help you close doors and windows in time to reduce the intrusion of mosquitoes and mice, and close the door in time to prevent the air conditioner from leaking in summer or the room from heating up in winter, which can save electricity. Very suitable for family, little ones, sheds, ranches and home offices! Specifications: Material: plastic, wire stainless steel Pull force: 1000g Dimensions: 6.3 x 6.3 x 1.6cm/2.48 x 2.48 x 0.63in Steel Cable Length: 100cm / 39.3inch p > Package Includes: 2 Black Automatic Door Closers 2 white automatic door closers