Specification Amount : 3.49 Binding : Unknown Binding Brand : Century Spring CurrencyCode : USD Label : Century Spring Manufacturer : Century Spring MaterialType : steel Model : C-510 NumberOfItems : 6 PackageDimensions_Weight : 0.03968320716 PackageDimensions : L:4.249999995665 X W:1.8099999981538 X H:0.5899999993982 PartNumber : C-510 ProductGroup : BISS Basic ProductTypeName : BISS Publisher : Century Spring Size : Pack of 1 SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41PZFp7ixFL._SL75_.jpg SmallImage_Width : 75 Studio : Century Spring Title : Century Spring C-510 1/2" Compression Springs 6 Pack Weight : 0 WeightUnit : pounds