Tension Spring Extension Springs 1mm Wire Dia, 7mm OD, 320mm Free Length Spring Steel Small Double Hook

Thread diameter: 1mm/0.04"; Outer diameter: 7mm/0.27" (OD); Free length: 320mm. 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