Specification Brand : Darknight BulletPoint1 : RARE EARTH MATERIAL: These magnets are made from strong neodymium-iron-boron alloy, Nickel+Copper+Nickel triple layer coated, provide strong magnetism and rust resistant protection. Have maximal operation temperature of 80 degrees Celsius. BulletPoint2 : HIGH QUALITY: Three layers coated provided durable and shiny surface. All magnets are 100 percent checked one by one, make sure every one is the best one. We promise 100 percent refund if you are not satisfied with our strong magnets. BulletPoint3 : STRONG MAGNETS: The round magnets are very strong, with 40mm x20mm(1.57x0.8 inches) size. These big magnets are well wrapped by bubble pack. Make sure the magnets have original status whenever you receive them and however far away the distance is. BulletPoint4 : SCOPE OF APPLICATION: These kinds of strong magnets can be applied in DIY handicraft, science trial, school teaching, Industry manufacture. Such as speaker, handicraft, scientific experiments, Kitchen Cabinet, switch accessory. BulletPoint5 : WARM REMINDER: All magnets are fragile, please do not throw them onto hard surface hardly. Please do not take away the magnet vertically from the surface, had better slide one piece to aside, then take it away. Color : Red, Gold CompatibleWithVehicleType1 : Trailer CompatibleWithVehicleType2 : Truck ExternallyAssignedProductIdentifier1 : 0764331163680 ExternallyAssignedProductIdentifier2 : 764331163680 IncludedComponents : 1pcs IncludedComponents1 : 1*Ratchet Binder IncludedComponents2 : 1*Chain ItemName : Rare Earth Magnets 40x20mm Disc Neodymium Permanent Magnetic Round Blocks for Arts DIY Handcraft Office, Pack of 1 ItemPackageDimensions_Height : 17.399 centimeters ItemPackageDimensions_Length : 10.8966 centimeters ItemPackageDimensions_Width : 11.303 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : industrial-rare-earth-magnets LoadCapacity : 5400.0 pounds Manufacturer : Darknight Material : Neodymium ModelName : Ratchet Load Binder with Chain ModelNumber : GYKNW4F6S9YB8 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : HC83 ProductDescription : -This magnet is made from strong neodymium-iron-boron alloy. -Nickel+Copper+Nickel triple layer coated, provide strong magnetism and rust resistant protection. -Have maximal operation temperature of 80 degrees Celsius. -These refrigerator magnets are well wrapped by bubble pack and packed in the elegant gift box. -These kinds of small magnets can be applied in DIY handicraft, science trail, school teaching, Industry manufacture. -All magnets are fragile, please do not throw them onto hard surface hardly.