1″ od x 1/2″ id x 1/8″ thick Neodymium Ring Magnets N42 Super Strong Rare Earth Donut Magnet (5 Pack)

Another great neodymium ring magnet useful for most anything you can think of to do with a ring magnet.

This product measures 1″ in diameter and 1/8″ in thickness and features a 1/2″ hole through the thickness of the magnet. It is made of a grade N50 neodymium, iron, and boron magnetic alloy blend. This magnetic blend is patent licensed and made under the ISO 9001 quality control systems. They are plated in a nickel-copper-nickel coating for a shiny corrosion resistant finish. Neodymium ring magnets are perfect for use as magnetic fasteners around the home or for use in commercial applications.

Please note that all neodymium rare earth magnets are fragile and require caution when installing to prevent shattering the magnet, and when handling due to their brittle nature and to avoid injury due to pinching.

Material: Sintered NdFeB. Grade N42
Pole Orientation: Axially magnetized, the poles are on the two flat surfaces
Coating: Ni+Cu+Ni 3 layer coating, the best available.
Tolerance: The tolerances of all the dimensions are +/-0.002in with coating.

PLEASE NOTE:
All magnets may chip and shatter, but if used correctly, can last a lifetime.
Keep away from pacemakers.
Not for children, parental supervision required.
If damaged please dispose of completely. Shards are still magnetized and if swallowed can inflict serious damage if magnets join inside the digestive tract.