0.4 mm x 4 mm x 300 mm Extension Tension Spring x 2 Pieces Stainless Steel Double Hook Spring for Industrial Machinery and Manufacturing Control, [Silver]

Traction Spring for Industrial Machinery and Manufacturing Control. This pull spring is a mechanical part that uses elasticity to operate, it is used to control the movement of mechanical equipment. Made of stainless steel, a very durable, very hard material, which does not rust, corrosion resistant and has a long service life. The silver shine of its surface will not change over time. Suitable for manufacturing control, industrial machinery, engineering, electric power, machine tools, construction and other industries. Dimension: Wire Diameter: 0.4mm; Outer Diameter: 4mm; Free Length: 300mm