Specification Amount : 2.97 Binding : Misc. Brand : United Scientific Supplies CurrencyCode : USD Label : United Scientific Supplies, Inc. Manufacturer : United Scientific Supplies, Inc. MaterialType : Aluminum/Glass Model : 1216L75EA NumberOfItems : 1 PackageDimensions_Weight : 0.04 PackageDimensions : L:1.25 X W:1.25 X H:0.25 PartNumber : CWR030 ProductGroup : BISS Basic ProductTypeName : LAB_SUPPLY Publisher : United Scientific Supplies, Inc. SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41uXe1IZbML._SL75_.jpg SmallImage_Width : 46 Studio : United Scientific Supplies, Inc. Title : United Scientific Supplies CWR030 Aluminum Case Compass, Glass Top with Ring, 30 mm Diameter Weight : 0 WeightUnit : pounds