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 180mm(7″) |
| Inner Diameter 43.5mm(1.25″) |
| Edge Thickness 28mm |
| Stock Thickness 1.0mm/1.2mm |
| N.W 465 g |
| Packing 30PCS/bag |
| Packing Weight 14.1 KG |
| Packing Size 55*36*20Cm |
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