Specification Brand : uxcell BulletPoint1 : Wire Diameter: 2.5mm/0.1"; Outer Diameter: 18mm/0.7"(OD); Free Length: 100mm/3.9" BulletPoint2 : Dry to the touch oil finish for added corrosion resistance.Heat tempered spring steel BulletPoint3 : Tension spring can be used in many occasions, such as production and assembly, experiment, research and development, maintenance, etc. BulletPoint4 : Applications: Furniture, appliances, work, gate, screen doors and repair projects BulletPoint5 : Package Content : 1 x Extension Spring Color : Nickel ExternallyAssignedProductIdentifier1 : 604267551819 ExternallyAssignedProductIdentifier2 : 0604267551819 ExternallyAssignedProductIdentifier3 : 00049793096647 FinishType : Oil Rubbed IncludedComponents : Springs ItemName : uxcell Extension Spring - 2.5mm Wire Dia , 18mm OD , 100mm Free Length Spring Steel Small Dual Hook Tension Spring ItemPackageDimensions_Height : 11 centimeters ItemPackageDimensions_Length : 2.7 centimeters ItemPackageDimensions_Width : 5.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : extension-springs Manufacturer : uxcell Material : Manganese Steel ModelName : Prime-Line Products ModelNumber : SYNCTEA033454 NumberOfBoxes : 1 NumberOfItems : 2 NumberOfPieces : 1 PackageLevel : unit PartNumber : a17021300ux0652 PinType : Spring ProductDescription : Made of manganese steel material,with highly abrasion resistance,durable to use. Tension spring can be used in many occasions, such as production and assembly, experiment, research and development, maintenance,etc. The Extension Springs give resistance to a pulling force and become longer under load, applications include balance scales,garage doors,washing machines,oven door and applications which requiring various types of tensioning devices.