If you are going to use the flag for your car

Metal is magnetic and can be used as a counterpart to magnets

Manufacturer: 3M™

10 times more than the ferrite magnet and weighs much less

Ferrit magnet, Skive 40x10 mm. julepynt If you are going toFerrite magnets Raw magnets Diameter: 40 mm Height: 10 mm Strength: approx. 2,400 gr. Large ferrite disc magnet. Ferrite magnets withstand temperatures of up to 250C and down to 40C and are therefore for both indoor and outdoor use. Magnets should always be kept away from small children due to the risk of suffocation. Ferrite magnets are a bit fragile as they don't have a protective coating. Avoid bumps and knocks. Only work with magnets using tools