Automatic door closer without punch

Details
1. Multifunctional automatic door closer, automatically close all doors. Very suitable for home use, light office use, shed, ranch and the home office!
2. Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-resistant, hydraulic, quiet, safe shutdown device.
3. Quick installation: no-hole adhesive installation, good firmness, does not damage the wall, easy installation, high temperature resistance.
4. 50,000 Tests: High quality steel wire rope passed 50,000 times pull test and rebound test, with strong tensile strength.
5. 800G Pull: Suitable for gates or doors with slightly stronger closing force. Doors that open left and right, wooden and metal doors, private and commercial doors, exterior/interior door closers, fire doors