Material 304 stainless steel tension springs designed for reliable performance. Size Wire diameter: 2 mm (0.079 in) Outer diameter: 16 mm (0.63 in) Length: 100 mm (3.94 in) This precise sizing provides a strong, secure fit for a range of fittings and ensures dependable performance in diverse applications. Strength and elasticity Hooks at both ends are strong and provide firm attachment points. The loops allow secure mounting, while the spring offers uniform pulling force, strong resistance, and reliable resilience under tension. Applications Widely used in electronics, tools, toys, construction, and machinery. Suitable for manufacturing, research, automotive, and aerospace environments. Use scenarios Electronics and small machinery: used as a or tensioning spring in compact assemblies. Automotive and interior components: secures trim, covers, or latch mechanisms needing reliable tension. Tools and equipment: serves as a counterbalance or clamping tension spring in jigs and fixtures.