[Specifications] Wire diameter 2mm/0.79in, outer diameter 18mm/0.71in, free length: 150mm/5.91in, 2 springs in total. [Material] The double hook spring is made of high-quality stainless steel, which is not easy to rust and corrosion, wear-resistant and high temperature resistant, and can be used for a long time. [Function] The spring can be used in many occasions such as production assembly, experiment, research and development, maintenance, etc. It can be widely used in electronics, household appliances, furniture, machinery, etc. [Packaging] 2pcs x Compression Spring, Type: Double Hook. The surface of the spring is uniform and beautiful, and has been polished to improve the surface finish of the spring. The spring has a strong load capacity. [Principle] The stainless steel spring can produce greater elastic deformation when loaded, converting mechanical work or kinetic energy into elastic potential energy. Tension spring is a spiral spring that supports axial tension. Feature: Our