Xhuan-Compression spring Wire 0.5 * 3-6mm Diameter 304 Stainless Steel Tension Spring S Hook Round Hook Coil Pullback Extension Tension Metal Spring Wire， Sturdy Multipurpose(40mm (10pcs),3mm-S hook)

High quality: Stable and durable, corrosion resistant, zinc Plated surface, smooth and no stab, riveting smooth, high ductility, good fatigue strength. After baking, it has antirust effect and heat treatment. It has good performance and service life Application: Compression spring steel wire spring is used for everything from home appliances to motor equipment, motor, etc. as it is the type of spring required Materials: 304 Stainless steel The tensile spring is made of high-quality 304 stainless steel, the spring is not easy to rust and corrosion resistance; high strength, not easy to deform; meet ROSH standards, environmental protection.