Enhance your projects with our steel tension spring, built for strength and precision. Made from high-quality spring steel, it offers excellent fatigue resistance and elasticity through multiple forging processes.
The surface is smooth and even, with no sand holes or black spots, ensuring a clean and polished appearance. Uniform force distribution and stable resilience deliver consistent and precise performance in every use.
Designed with dual opening hooks, this extension spring allows easy attachment to eyelets for versatile applications. Each pack includes 5 pcs, with wire diameter 0.6 mm, outer diameter 6 mm, and free length 110 mm.