MULTIFUNCTIONAL AUTOMATIC DOOR CLOSER, AUTOMATICALLY CLOSE ALL DOORS.
Very suitable for home use, light office use, shed, ranch, and home office, affordable!
Durable stainless steel holder
Anti-rust door closer holder, make the door close quietly and protect door without scratches.
Has passed 50,000 times of tensile test and rebound test, with strong tensile force.
Suitable for doors, or doors with a slightly stronger closing force. Doors that open left and right, wooden and metal doors, residential and commercial doors, exterior/inner door closers, fire doors.
Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulic, quiet, safe shut-off device.