3mm diameter x 3mm x 3mm cube +/-0.1mm tolerance Each magnet has north and south poles on opposing faces Each magnet is coated with three layers of nickel, copper and nickel to give superior corrosion resistance and provide a smooth and clean finish 3mm neodymium magnets, although small provided a strong magnetic pull at an affordable price. Their shape and size means they are very versatile; they are used in many applications including model making, crafts, packaging and manufacturing.
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