Material: 304 stainless steel tension springs. Precise size: Wire diameter 0.9 mm (0.035 in), outer diameter 6 mm (0.24 in), length 140 mm (5.51 in). This size combination provides a strong, secure fit for a variety of applications and dependable performance. Strength and elasticity: Equipped with strong hooks and a uniform pulling force. The loops at both ends provide firm attachment points, while the elasticity offers resistance and reliable resilience under tension. Wide application range: From manufacturing to research, automotive to aerospace, our tension springs are widely used in electronics, tools, toys, construction, and machinery. Their versatility makes them suitable for commercial and projects. Use scenarios: Use in small cabinet or toollatch assemblies requiring a compact, dependable force. Use as a or tension spring in robotics projects or model machinery to control movement and provide resistance. Use in consumer electronics or toy mechanisms that require a consistent pulling force and reliable attachment.