Specification Brand : Trusco BulletPoint : SPECIFICATION: Each pack includes two Alnico bar magnets and one resealable packet of iron filings. Magnet dimensions are 11mm x 6mm x 75mm. Magnet dimensions are 0.43 in. x 0.24 in. x 2.95 in. BulletPoint1 : Size (diameter): 1.6 inches (40 mm) BulletPoint2 : Color: Blue BulletPoint3 : Pack Quantity: 4 BulletPoint4 : Ferrite magnets, ABS resin BulletPoint5 : Power Source needed for operation. An economical Eisco power source is PH0971DCAC which is not included Color : Blue ExternallyAssignedProductIdentifier : 4989999457780 ExternallyAssignedProductIdentifier1 : 5055641214175 ExternallyAssignedProductIdentifier2 : 05055641214175 ExternallyAssignedProductIdentifier3 : 849230046873 IncludedComponents : No ItemName : TRUSCO TCM-404-B Color Magnets (4 Pieces), Blue, 40 Pies ItemPackageDimensions_Height : 18.8 centimeters ItemPackageDimensions_Length : 2.3 centimeters ItemPackageDimensions_Width : 7.3 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : science-education-magnetism-kits Manufacturer : トラスコ中山(TRUSCO) Material : Acrylonitrile Butadiene Styrene (ABS) ModelNumber : TCM-404-B NumberOfBoxes : 1 NumberOfItems : 4 NumberOfPieces : 20 PackageLevel : unit PartNumber : TCM-404-B Pattern : 4pcs ProductDescription : These cylindrical magnets provide an excellent tool with which to visualize and kinesthetically experience the push and pull of magnetic fields. The markings on the cylindrical magnets denoting the poles are very helpful. The magnets come with keepers and a box for easy storage. ProductSiteLaunchDate : 2022-11-03T23:59:08.176Z PullForce : 1 kilograms Size : 40パイ StreetDate : 2017-11-11T00:00:01Z Style : 40 pie SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1