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Radial Ring Magnet - N38 0.83"OD x 3/5"ID x 3/5" Radially Oriented Magnetized Unipolar Neodymium Magnets for Electric Motor Wind Generator (N Pole Outside): Amazon.com: Industrial & Scientific
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Neodymium Magnet Disk N35EH D1/4" x 1/4"(A) with groove in center - Radial Magnets - We Know Magnets
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