1.Use PA66+GF,POM,PC,A3,high-qualityengineering material;

2.Metal core technology;

3.High-quality piano wire spring;

4.Three-level springback type idler,

Performance Features:

1.Clutch reducation ratio 1:1.65; labor saving 30%;

2.No-load tension is less than 0.3KG;

3.Max load 8KG, Use for roller blinds less than 12m'.

4.Apply to 41.7--42.2 43mm tube of various specification