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Neodymium Rare Earth Ring Magnets
5-25mm Permanent Magnet Rings
All neodymium rare earth ring magnets are magnetized such that the north and south poles are on the flat surfaces.
Each can be used to build a simple loudspeaker. You can also use them to retrieve metallic objects by tieing a string around them.
See also: Surplus Rare Earth Magnets.
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Metric measurement explained:
25mm (2.5cm) = ~1 inch; 2.5mm (0.25cm) = ~ 1/10 inch;
Scientific notation explained:
1.15E+03=1150; 1.15E+02=115; 1.15E+01=11.5; 1.15E+00=1.15; 1.15E-01=0.12; 1.15E-02=0.01 |
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