I built a mini generator out of an old desk fan motor. This neodymium ring magnet is perfectly sized for my alternator's Lundell rotor and is strong enough to provide enough power for its size. The value of this ring magnet is also great for the price.
50Pcs Strong Neodymium Magnets With Hole & Mounting Screws - Heavy Duty Rare Earth Disc Countersunk For Locker, Tool Storage & Crafts
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16-Pack Powerful Neodymium Bar Magnets | MIKEDE Rare Earth 𧲠Metal Magnets with Double-Sided Adhesive | 60 x 10 x 3 mm
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MIKEDE Strong Neodymium Disc Magnets, 16 Pack Powerful Permanent Rare Earth Magnets With Double-Sided Adhesive, Fridge, DIY, Building, Scientific, Craft, And Office Magnets, 1.26 Inch D X 1/8 Inch H
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Pack Of 12 MIKEDE Neodymium Bar Magnets - Strong Rare Earth Metal Magnets With Double-Sided Adhesive - 60 X 10 X 3 Mm Size
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