Upgraded punch-free 1000g automatic screen door closer, storm door closer, sliding screen door automatic closer with steel pull cord for bathroom, bedroom, study, etc.

[1000G tension, 80,000 times test]: The high-quality double steel wire rope with a diameter of 1.2mm is used. After 80,000 times of stretching and rebound tests, the tension is up to 1000G (100N).

[Applicable to more scenarios]: The upgraded 1000G tension is more stable and suitable for screen doors, invisible doors, iron doors, anti-theft doors, aluminum alloy glass doors, interior doors, double-opening sliding doors, office doors, left and right doors, kitchen doors, bathroom doors, wooden doors, metal doors, residential and commercial doors, internal and external door closers, fire doors.