The Allen Company 2-piece disc magnet set is great for securing anything that is made of ferrous metals.You can use these strong magnets in a wide variety of challenging applications where extreme strength and dependability are critical.The rare earth disc magnets are much stronger than your ordinary magnet, made as an ideal fastener to hold handguns, tools or parts.The two magnetic pieces are coated to prevent scratching and can be used separately in your project space with proper spacing. Each magnetic disc is made with a pre-drilled hole to easily be drilled onto the wall or any other surface in your project space mounting screws are provided for complete assembly.