- Premium Quality: Crafted from high-quality spring steel, our tension (extension) spring offers excellent elasticity, fatigue resistance, and remarkable resilience. This ensures durability and reliable performance for various applications. - Versatile Compatibility: Designed to cater to a wide range of needs, this spring is perfect for bicycles, locks, automotive components, plastics, electronics, hardware, switches, fixtures, molds, and toys. Its adaptability makes it an ideal choice for both DIY projects and professional use. - Dimensions: - Wire Diameter: 1.2mm - Outer Diameter: 12mm - Length: 70-200mm - Exceptional Functionality: The strong plasticity of this spring allows for effective energy storage and release, making it essential for mechanisms requiring tension or extension. - Practical Applications: 1. In bicycle assemblies, use this spring to maintain consistent tension for smooth operation of gear systems. 2. Incorporate in electronic devices for reliable switch activation, enhancing user experience and product longevity. 3. Ideal for toys that require spring action for added fun and engagement, ensuring safety and durability during play. Choose our high-performance tension spring for unmatched quality and reliability in your projects.