• Automatically close ALL doors.
• Very suitable for home use, light office use, shed, ranch, and home office
• Easy installation
Hole-free 3M glue installation, firmness does not damage the wall.
High-temperature resistance. Suitable for doors with stronger closing force. Doors that open left and right, wooden and metal doors, residential and commercial doors, exterior/inner door closers, fire doors. HIGH QUALITY STEEL WIRE ROPE has passed 50,000 times of tensile test and rebound test, and has strong tensile force.
Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulic, quiet, safe shut-off device.