Specification Brand : STPCTOU BulletPoint1 : HIGH DENSITY QUALITY MATERIAL: The Copper cube is made of high density metal elements, non-toxic, safe and reliable, purity up to 99.99%, size 10MM*10MM 0.39 inch cube. BulletPoint2 : LASER ENGRAVING: The cubes are laser marked with information including atomic density, name, symbol, atomic number, atomic weight, purity, etc., which is convenient for you to identify and use. BulletPoint3 : EASY STORAGE: Each element cube comes with a beautiful acrylic storage box, and each element is vacuum-packed to maintain its natural appearance and prevent oxidation. BulletPoint4 : WIDE APPLICATION: Density cubes can be used in labs, offices, science rooms, teachers, gifts, science demonstrations, suitable for people of different ages, good knowledge of metals, elements, different densities BulletPoint5 : AESTHETICS: Precisely cut and finely crafted, the cubes have a beautiful appearance, natural color, matte finish, handmade stripes Color : Gray ExternallyAssignedProductIdentifier1 : 0676307572450 ExternallyAssignedProductIdentifier2 : 676307572450 FinishType : Finish IncludedComponents : inc ItemForm : Rod ItemName : Copper Metal Element Density Cube 10mm 99.99% Pure for Element Collection Students Teacher Science Lover Collection &DIY(Cu 0.39Inch). ItemPackageDimensions_Height : 10 millimeters ItemPackageDimensions_Length : 100 millimeters ItemPackageDimensions_Width : 70 millimeters ItemPackageQuantity : 1 ItemShape : Cylindrical ItemTypeKeyword : specialty-non-ferrous-metals-raw-materials Manufacturer : STPCTOU Material : Copper ModelNumber : ST-Cu-10MM NumberOfItems : 1 PartNumber : ST-Cu-10MM PowerSourceType : PowerSource ProductDescription : Pure Zinc Rod / Zinc Metal Bar / Zinc Anode Material: pure zinc ( Solid zinc) 99.99% High purity Diameter:1/4" x4 "long quantity: 4 pcs Suits for School Scientific Experiment Research Lab Project ProductExpirationType : Expiration Date Required ProductSiteLaunchDate : 2024-06-29T09:32:23.825Z Size : Rectangles, ribbons and custom shapes SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 32