Specification Binding : Misc. Brand : United Scientific Supplies Label : United Scientific Supplies, Inc. Manufacturer : United Scientific Supplies, Inc. Model : 1216C64EA NumberOfItems : 1 PackageDimensions_Weight : 0.12786811196 PackageDimensions : L:4.1338582635 X W:2.6771653516 X H:2.0472440924 PartNumber : MCC508 ProductGroup : BISS Basic ProductTypeName : LAB_SUPPLY Publisher : United Scientific Supplies, Inc. SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31+iMpqRaGL._SL75_.jpg SmallImage_Width : 75 Studio : United Scientific Supplies, Inc. Title : United Scientific Supplies MCC508 Concave Mirror, 50 mm Diameter, 200 mm Focal Length Weight : 0.1 WeightUnit : pounds