Product Details:Color: GreyHeat Treatment: TemperingFinish: PolishedMaterial: Spring SteelTotal Size: 120mm x 20mm/ 4.7" x 0.78"(Length*Outer Dia.)Wire Dia.: 2mm/0.08"Package Content: 2pcs x Extension SpringMaterial - Made of durable spring steel material with polished surface treatment, the extension spring is rust and corrosion-resistant, has good toughness and strong load-bearing capacity which can be used for a long time without fading.Feature - The extension spring has great mechanical properties, can give resistance to a pulling force, reduce shock and vibration of machinery, and can also be connecting component to increase tension.Application - The extension spring is widely used for industrial equipment, construction machinery, household appliance, mechanical equipment etc.
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