Place of Origin
Zhejiang, China
Type
torsion spring, Residential & Industrial
Product name
Garage door torsion spring
Size
50mm,67mm,95mm,135,152mm
Thickness
207/218/225/234/243/250
Material
Carbon steel / Manganese steel
Finished
Antirust Oil/Dacromet coating/Electrophpresis coating/Powder coated
Function
For sectional door use