Check the listing for details. 20Pack 0.5x6x25mm(WxODxL) Extension Spring Extended Compressed Spring Silver. Condition: New. Listed at 10.77 USD. Product Details:Color: SilverMaterial: MetalTotal Size: 250mm x 6mm/ 1" x 0.24"(Length*Outer Dia.)Wire Dia.: 0.5mm/0.02"Package Content: 20pcs x Extension SpringMaterial - Made of high-hardness metal material, the extension spring is rust and corrosion-resistant, and has good toughness, strong load-bearing capacity and good mechanical properties which can be used for a long time.Feature - The extension spring has great elasticity 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. Also suitable for home repair such as garage doors, sofas, tables, chairs, recliner and more.