Specification Amount : 5.49 Binding : Unknown Binding Brand : Century Spring CurrencyCode : USD Label : Century Spring Manufacturer : Century Spring MaterialType : steel Model : C-231 PackageDimensions_Weight : 0.29101018584 PackageDimensions : L:7.5599999922888 X W:5.9799999939004 X H:1.0199999989596 PartNumber : C-231 ProductGroup : BISS Basic ProductTypeName : BISS Publisher : Century Spring Size : Pack of 1 SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41Aqs-yYcxL._SL75_.jpg SmallImage_Width : 75 Studio : Century Spring Title : Century Spring C-231 6" Extension Springs 9/16" OD 2 Count Weight : 0.3 WeightUnit : pounds