Specification Brand : FIRST4MAGNETS BulletPoint1 : VERSATILE MAGNET FOR SEVERAL APPLICATIONS. Commonly used in Conveyor Systems, Switches, Speakers, Arts, Crafts, Science, and DIY. BulletPoint2 : HIGH OPERATING TEMPERATURE. Can operate in temperatures up to 180 degrees Celsius. BulletPoint3 : RESISTANT TO DEMAGNETIZATION. Excellent resistance to demagnetization. BulletPoint4 : RESISTANT TO CORROSION. They have a high resistance to corrosion without any extra coating. BulletPoint5 : STRONG RARE EARTH MAGNET. 5kg maximum pull from the magnetic surface when in flush contact with a mild steel surface of equal thickness to the magnet. BulletPoint6 : SPECIFICATIONS. 50mm outer diameter x 25mm inner diameter x 10mm thick. Each magnet's north and south poles are on opposite faces. BulletPoint7 : SPECIFICATION: 50mm outer diameter x 25mm inner diameter x 10mm thick. 1.97 in. outer diameter x 0.98 in. inner diameter x 0.39 in. thick. Color : Charcoal ExternallyAssignedProductIdentifier : 7680010006501 ExternallyAssignedProductIdentifier1 : 5060185925074 ExternallyAssignedProductIdentifier2 : 05060185925074 FabricType : Plastic IncludedComponents : Magnets ItemName : Y30BH Ceramic Ring Magnet - 1-7/8 in. O.D x 1 in. I.D x 3/8 in. Thick - 11.03lbs Pull (Pack of 1) ItemPackageDimensions_Height : 20 centimeters ItemPackageDimensions_Length : 4.8 centimeters ItemPackageDimensions_Width : 9.2 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : industrial-rare-earth-magnets LoadCapacity : 44000 Pounds Manufacturer : Magnet Expert Material : Ceramic Material1 : Metal Material2 : Neodymium ModelName : Whiteboard Magnets ModelNumber : FR502510F-1 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : FR502510F-1 ProductDescription : Neodymium Magnets, Rare Earth Magnets, Small Round Refrigerator Magnets for Fridge, Office, Hobbies, Crafts and Science, Tiny Durable Magnets for DIY Work, Gold ProductSiteLaunchDate : 2012-08-07T15:39:46.749Z PullForce : 0.5 pounds Size : 50mm dia x 10mm StreetDate : 2015-06-24T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 31380000