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Package include: 45/90/120 angles, including 0.5/1/1.5/2/2.5 mm steel wire diameter torsion springs, which can meet all your needs for models
Material: Made of 304 stainless steel and have good elasticity. The torsion spring is very resistant to oxidation, corrosion and rust and works well in wet environments
Product Features: All extension springs are neatly packaged in plastic storage box, convenient to carry and use. The springs has smooth surface; good strength; strong ductility; durability and tension
Wide Application: Widely used in doors; curtain; automobiles; bicycles; mechanical devices; umbrella; kettle; razor; aircraft; antique tape recorder; repair toy; pliers; piano; scissors; electrical; etc
