| Material | Thickness | Width | Length | Inner Diameter | Weight |
| SS301 | 0.127mm | 25.4mm | 2430mm | 25.4mm | 26g |
Roller Blinds Spring / Warning tape winder Spring
Roller Blinds Spring / Warning tape winder Spring can adopt either conventional wire torque spring, or flat spiral power spring.
Constructional Theory: Wind reversely while installing to create tensility within the spring holder, when being pulled from outside, the spring will offer pulling force.












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