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Product name | Door Torsion Spring |
Brand name | Jixinhong |
Wire diameter | 4.5-7.5mm (custom) |
Outer diameter | 40-100mm (custom) |
Length or laps | 10mm-3000m (custom) |
Weight | 1-100kg |
Material | 82B high carbon manganese steel |
Application | Rolling shutter door |
Package | 10 piece/Paper bag |



















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