Precision stainless steel tension springs designed for reliable, heavy duty performance. Built from stainless steel for long life and corrosion resistance, these springs deliver consistent pulling force and safe, burr surfaces for workshop, industrial, and hobby use. Key benefits Durable construction: stainless steel resists corrosion and rust, extending service life in demanding environments. Safe and smooth finish: Burr surface reduces wear and minimizes the risk of damage to adjacent parts. Consistent performance: Uniform pulling force and strong hooks provide reliable tension and repeatable operation. Secure attachment: Loops at both ends create firm connection points for easy installation and stable mounting. Versatile use: Sized and rated for a wide range of mechanical, electronic, and industrial applications. Specifications Material: stainless steel Wire diameter: 0.9 mm (0.035 inch) Outer diameter: 7 mm (0.28 inch) Length: 80 mm (3.15 inch) End type: Looped hooks on both ends Surface: Smooth, burr Typical applications and replacement in hand tools and small machinery where reliable tension is required. Model making, toys, and hobby assemblies that need compact, consistent tension elements. Linkages, latches, and mechanisms in automotive and industrial equipment. Why choose these springs These tension springs combine precise sizing, strong attachment points, and consistent elasticity to solve common problems like premature corrosion, inconsistent force, and poor fit. Their stainless steel construction and smooth finish reduce maintenance and wear, while the specified dimensions ensure dependable compatibility with a variety of assemblies and projects.