Detailed Product Description

1.    Two speed gear system: when go up, decelerate rate 1:4, save 70% pull power; when go down, 1:1, high speed.

2.    Screw thread spool: twine can be rolled regularly; blind can be up and down reposefully.

3.    Plastic parts used PA/POM/PC project material, spring used import steel wire, 2.5mm thickness bracket, fully guaranteed product quality;

4.    Insert installation bracket, by wall or ceiling, convenience and steady.

5.    head rail 1.2mm thickness, with groove for decoration shield installation;

6.    both endless chain and endless twine could be use, operates swimmingly with small voice

7.    slat: 25mm ~ 50mm, wooden or aluminum slats

8.    Load ≤15kg; suggest install on right hand.