Specification Brand : bzcemind BulletPoint : Size Description: Example:Size:0.3mm x 2mm= wire diameter x Outer diameter BulletPoint1 : [Extension Spring] : The package comes with 1pcs of dark grey extension spring in 300mm/11.81" Length, 12mm/0.47" Outer Diameter, 1mm/0.04" Wire Diameter. BulletPoint2 : [Sturdy & Durable] : 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. BulletPoint3 : [Features] : 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. BulletPoint4 : [Good Choice] : 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. BulletPoint5 : [Installation] : Easy to install, with a single hook at the ends of the spring, just connect it directly to machinery and other components. Color : Length 25mm ExternallyAssignedProductIdentifier : 7376545096802 FinishType : Oil IncludedComponents : Stainless steel tension spring tension springs ItemName : 10PCS Stainless Steel Tension Spring with O Hook Extension Spring,Length 25mm,0.4mm×6mm ItemPackageDimensions_Height : 15.5 centimeters ItemPackageDimensions_Length : 1.7 centimeters ItemPackageDimensions_Width : 9.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : extension-springs LoadCapacity : 39.9 newtons Manufacturer : bzcemind Material : steel MeasurementSystem : Metric ModelNumber : dtf221108tt1034 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : 9aobNJJCTul-142,Length 25mm,0.4×6mm PinType : Spring ProductDescription : Material:Stainless steel Usage:Industrial Load Type:Extension Style:COIL