Specification Brand : PFS BulletPoint1 : One Disc, Disc measures 30mm x 1.6mm BulletPoint2 : Precision machined from high purity metal, ground surfaces, and laser etched labels BulletPoint3 : Approximate weight 19g BulletPoint4 : 99.95% pure BulletPoint5 : 1 x Metal Copper Color : Copper ExternallyAssignedProductIdentifier : 9331924720363 ExternallyAssignedProductIdentifier1 : 0791115438924 ExternallyAssignedProductIdentifier2 : 791115438924 ItemForm : Sheet ItemName : Tantalum (Ta) 30mm Metal Disc for Collection or Experiments ItemPackageDimensions_Height : 8.1026 centimeters ItemPackageDimensions_Length : 3.9116 centimeters ItemPackageDimensions_Width : 4.0894 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : specialty-non-ferrous-metals-raw-materials Manufacturer : Prince Frederick Store Material : Metal ModelNumber : PFS-Ta30-DISC99.95 NumberOfItems : 1 PartNumber : PFS-Ta30-DISC99.95 ProductDescription : Tantalum is a chemical element with the symbol Ta and atomic number 73. Previously known as tantalium, it is named after Tantalus, a villain from Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It is part of the refractory metals group, which are widely used as minor components in alloys. -Wikipedia Quarter not included ProductSiteLaunchDate : 2020-07-12T00:26:20.545Z Size : 25.4*25.4*25.4mm Style : 0.5mm Diameter SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1