Specification Brand : CENTURY SPRING CO INC Label : CENTURY SPRING CORP Manufacturer : CENTURY SPRING CORP MaterialType : Steel PackageDimensions_Weight : 2.00 PackageDimensions : L:2.00 X W:1.00 X H:1.00 PartNumber : C-83 ProductGroup : Home Improvement ProductTypeName : HARDWARE Publisher : CENTURY SPRING CORP SmallImage_Height : 63 SmallImage_URL : https://m.media-amazon.com/images/I/51bNcJF5nZL._SL75_.jpg SmallImage_Width : 75 Studio : CENTURY SPRING CORP Title : Century Spring C-83 1-7/8" Extension Springs 7/16" OD 2 Count Weight : 2 WeightUnit : pounds