Material Our tension springs are made of 304 stainless steel for durable, corrosionresistant performance across applications. Size and fit Wire diameter: 0.5 mm (0.02 in) Outer diameter: 3 mm (0.12 in) Length: 60 mm (2.36 in) This precise size combination helps ensure a strong, secure fit in a variety of designs. Construction and performance Hooks and end loops provide firm attachment points Uniform pulling force supports consistent performance strength and elasticity enable reliable resistance and resilience under tension Applications and compatibility Widely used across industries including electronics, tools, toys, construction, and machinery Suitable for manufacturing, research, automotive, aerospace, and general mechanical assemblies Use scenarios 1) Electronics and small appliances: use for panel retention, lid latches, and compact moving parts where controlled tension is required 2) Tools and hardware: ideal for springloaded handles, cabinet latches, and vibration damping components in compact tool designs 3) Toys and hobby projects: supports moving mechanisms, model kits, and kinetic assemblies that require dependable tension and repeatable action