1. Use PA66+GF,POM,PC,high-quality engineering meterial
2. Metal Core Technology
3. High-quality piano wire spring
4. Three-level springback type idler
Clutch Reduction ratio:1:1.5
No-loading tension is less than 0.3KG
Max Load 6KG,Use for roller blinds less than 8㎡
70 sets/17.92KG