- Size Specifications: Wire diameter is 1.5 mm, outer diameter is 9 mm, and free length is 180 mm. - Durable Construction: This extension spring is made from high-quality spring steel, ensuring excellent strength and reliable performance for a wide range of applications. - Smooth Finish: The surface is meticulously crafted to be free of irregularities such as sand holes or black spots, resulting in a clean and polished appearance. - Fatigue Resistance: Designed for longevity, this spring maintains its elasticity and functionality even after repeated use, making it ideal for demanding tasks. Applications: - Ideal for use in machinery where precise tension is required, enhancing overall operational efficiency. - Perfect for automotive applications, offering reliable performance in engines and suspension systems. - Suitable for DIY projects, providing effective solution for various craft and home improvement tasks. This extension spring stands out for its combination of strength, durability, and aesthetic quality, making it an essential component for both professional and personal use.