Material 304 stainless steel for corrosion resistance and durable performance in a range of environments. Size and fit Wire diameter 0.5 mm (0.02 in), outer diameter 5 mm (0.2 in), length 20 mm (0.79 in). The precise size combination provides a strong, secure fit for various applications and dependable performance. Strength and end features End features include strong hooks and loops at both ends for firm attachment points. The spring delivers a uniform pulling force, with strong resistance and reliable resilience under tension. Performance and reliability Designed for tough tasks, with consistent performance under load. Built to maintain shape and function through repeated cycles and demanding conditions. Applications and compatibility Widely used in electronics, tools, toys, construction, and machinery. Suitable for manufacturing, research, automotive, and aerospace applications. Versatile for commercial and projects that require compact, precise tension springs with secure end connections. Use scenarios Electronics: use as a retention spring in enclosures to hold panels or lids closed while allowing easy servicing. Automotive and machinery: secure lightweight components or trim in interiors, dashboards, or small assemblies that require reliable tension. DIY and model work: provide controlled tension and action in hobby projects, kits, or prototypes where space is limited.