These magnets will fit tightly into our 1” buttons, with just a tiny bit of the magnet sticking up from the back of the button. Some people prefer these for their magnetic jewelry as they feel the magnet sticking out adheres better to the jewelry.
These magnets have beveled edges, so they do not scratch surface, and a marked North Pole side of the magnet with the dimple, so it is easier to apply them to the correct side.
The magnet needs to be placed in the button for the magnetic jewelry. You cannot glue this to the jewelry and try to slide a hollow back button on to it, as it would be too tight.
Size is 3/4" diam. (same as a penny) x approx. 3/16" thick.
These magnets are a grade C8 strength, which is the strongest ceramic magnet available.
These are not as strong as the super strong and expensive neodymium magnets.