punch-free buffer drawstring door closer telescopic sliding door office bedroom door mute automatic return door closer

1000 set

Specifications

[small size, 400 pull] black mini version	CN¥ 3.4
[small size 400 pull] white mini model	CN¥ 3.4
black-500 pull [first-generation standard model]	CN¥ 3.9
black-800 tension [first-generation standard model]	CN¥ 4.1
black-1000 pull [first-generation standard model]	CN¥ 4.3
black – 1200 tension [first-generation standard model]	CN¥ 4.5
white-500 pull [first-generation standard model]	CN¥ 3.9
white-800 tension [first-generation standard model]	CN¥ 4.1
white-1000 tension [first-generation standard model]	CN¥ 4.3
white-1200 tension [first-generation standard model]	CN¥ 4.5
[second-generation adjustable limit model] black-500 tension	CN¥ 4.5
[second-generation adjustable limit model] black-800 tension	CN¥ 4.7
[second-generation adjustable limit model] black-1000 tension	CN¥ 4.9
[second-generation adjustable limit model] black-1200 tension	CN¥ 5.1
[second-generation adjustable limit model] white-500 tension	CN¥ 4.5
[second-generation adjustable limit model] white-800 tension	CN¥ 4.7
[second-generation adjustable limit model] white-1000 tension	CN¥ 4.9
[second-generation adjustable limit model] white-1200 tension	CN¥ 5.1
[third-generation cushioned model] black, 1200-dyne tension	CN¥ 15.5
[third-generation cushioning model] black, 800-gram pull force	CN¥ 15.0