Tension Spring Extension Springs Spring Steel 0.5mm Wire Dia 8.5mm OD 310mm Free Length Small Double Hook

Thread diameter: 0.5mm/0.02"; Outer diameter: 8.5mm/0.33" (OD); Free length: 310mm/12.2". Touch dry oil finish for increased corrosion resistance. Heat Spring Steel. Tension spring can be used in many occasions, such as production and assembly, experimentation, research and development, maintenance, etc. Applications: furniture, appliances, works, gates, screen doors and repair projects. Package Content: 1 x Extension Spring