1. Spring box are used for the Rolling Shutter Door, like Garage Door .
two. Made of standard Q235 metal plate give to top quality and durability.
three. Floor alvanized in silvery , which make the wheels perfectly resistant to fight against rust.
four. We also supply hooks which employed for the Spring Box
5.Details:
Outer Diameter 213mm(8.5″) |
Internal Diameter 116mm(4.5″) |
Edge Thickness 26mm |
Stock Thickness two.5mm |
N.W 795 g |
Packing 30PCS/bag |
Packing Weight 24KG |
Packing Size 55*46*23Cm |