Specification Binding : Misc. Brand : HamiltonBuhl Label : Hamilton Company Manufacturer : Hamilton Company Model : 34002 NumberOfItems : 1 PackageDimensions_Weight : 0.009999999991614094 PackageDimensions : L:4.9999999949 X W:2.99999999694 X H:0.99999999898 PartNumber : 34002 ProductGroup : BISS Basic ProductTypeName : LAB_SUPPLY Publisher : Hamilton Company SmallImage_Height : 52 SmallImage_URL : https://m.media-amazon.com/images/I/31FeHmcwr1L._SL75_.jpg SmallImage_Width : 75 Studio : Hamilton Company Title : Hamilton 34002 Calibration Key Weight : 0 WeightUnit : pounds