China Factory Good Quality Roller Shutter Pully for Roller Shutter

1. Spring box are used for the Rolling Shutter Door, like Garage Door .

2. Made of general Q235 steel plate give to quality and durability.

3. Surface alvanized in silvery , which make the wheels perfectly resistant to fight against rust.

4. We also supply hooks which used for the Spring Box
5.Details:

Outer Diameter 204mm(8″)Inner Diameter 45mm(1.25″)Edge Thickness 54mmStock Thickness 1.5mmN.W 1385gPacking 15PCS/bagPacking Weight 20.9 KGPacking Size60*46*23Cm