Specification Brand : Bclla BulletPoint : Swordfish 8107 Black Extension Spring size 0.148" X 1.25" X 10" X 7.5" , 2pc BulletPoint1 : Made of steel material not easy to rust, more durable. BulletPoint2 : Can be used in many occasions, such as production and assembly, experiment, research and development, maintenance, etc.. BulletPoint3 : Wire diameter:2mm; Out diameter:10-19mm; BulletPoint4 : Free Length:300mm; BulletPoint5 : Material: Stainless Steel 304; Color : Spring Only ExternallyAssignedProductIdentifier : 6948923069169 ExternallyAssignedProductIdentifier1 : 0841466181076 ExternallyAssignedProductIdentifier2 : 841466181076 ItemName : Bclla Zkenyao-Spring Stainless Steel Long Compression Coil Spring, 2mm Wire Diameter 10-19mm Out Diameter 300mm Length, More Durable (Length : 2x19x300mm) ItemPackageDimensions_Height : 18.8 centimeters ItemPackageDimensions_Length : 10.5 centimeters ItemPackageDimensions_Width : 10.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : extension-springs Manufacturer : Bclla Material : Carbon Steel MeasurementSystem : Standard ModelNumber : 70416 NumberOfItems : 1 NumberOfPieces : 12 PartNumber : Bclla PinType : Spring ProductDescription : Wire diameter:2mm;