Punch-free Automatic Door Closer Sensor 2 Pcs

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•  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.
•  Multifunctional automatic door closer, automatically close all doors. Very suitable for home use, light office use, shed, ranch, and home office!
•  Quick Install : Hole-free adhesive installation, good firmness, does not damage the wall, easy installation, high-temperature resistance.Type 7 inner hexagon is a tool to adjust the size of the wire buckle
•  50,000 Tests: The high-quality steel wire rope has passed 50,000 times of tensile test and rebound test, with strong tensile force.
•  Automatic Door Closer Features: Small Size, Not Occupying Space Good Quality, Wear Resistance, Long Service Life Anti-Oxidation, Weather-Proof, And Anti-Corrosion.