Specification Brand : FIRST4MAGNETS BulletPoint1 : IDEAL FOR CREATIVE APPLICATIONS. Our neodymium magnets are commonly used in creative applications such as models and theatre design, clothes making, furniture making, exhibitions, and packaging. BulletPoint2 : USEFUL FOR MANUFACTURING & ENGINEERING. Neodymium magnets have many uses in engineering and manufacturing where maximum strength is required. BulletPoint3 : RESISTANT TO DEMAGNETIZATION. Excellent resistance to demagnetization. BulletPoint4 : CORROSION-RESISTANT PREMIUM COATING. Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish. BulletPoint5 : RARE EARTH MAGNET. Each magnet can support a steel weight of up to 0.29kg vertically from the magnetic face when in flush contact with a mild steel surface. BulletPoint6 : SPECIFICATIONS. 3mm dia x 3mm thick. ExternallyAssignedProductIdentifier : 5060185920604 ExternallyAssignedProductIdentifier1 : 0735125638776 ExternallyAssignedProductIdentifier2 : 735125638776 Hazmat1 : MAGNETIZED MATERIAL Hazmat10 : EG_NoAir Hazmat11 : ES_NoAir Hazmat12 : FR_NoAir Hazmat13 : GB_NoAir Hazmat14 : IN_MagnetizedMaterial Hazmat15 : IT_NoAir Hazmat16 : JP_NoAir Hazmat17 : MX_MagnetizedMaterial Hazmat18 : NL_NoAir Hazmat19 : PL_NoAir Hazmat2 : UN2807 Hazmat20 : SA_NoAir Hazmat21 : SE_NoAir Hazmat22 : SG_NoAir Hazmat23 : TR_NoAir Hazmat24 : US_MagnetizedMaterial Hazmat3 : 9 Hazmat4 : AE_NoAir Hazmat5 : AU_NoAir Hazmat6 : BR_MagnetizedMaterial Hazmat7 : CA_MagnetizedMaterial Hazmat8 : CN_MagnetizedMaterial Hazmat9 : DE_NoAir IncludedComponents : Magnets ItemName : Washers for (32907) 3/8" Magnets, 10-Pack (1/2" Dia.) ItemPackageDimensions_Height : 17.3 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 12.6 centimeters ItemPackageQuantity : 20 ItemShape : Round ItemTypeKeyword : industrial-rare-earth-magnets Manufacturer : Rockler Material : Neodymium Material1 : Metal Material2 : Alloy Steel ModelNumber : TAMW3812 NumberOfBoxes : 1 NumberOfItems : 20 NumberOfPieces : 10 PartNumber : F413-20 ProductDescription : These are some of the strongest magnets you will ever use! Great for door catches - or embed a magnet into wood to make a refrigerator magnet. Optional magnet mounting cups and washers also available; mounting screws not included. ProductSiteLaunchDate : 2008-06-22T00:00:00.000Z PullForce : 50 pounds Size : 12x1 100pcs UnitCount : 10