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CMS Magnetics® Neodymium Magnet with Countersunk Hole on Both Sides, Grade N42 1 1/2 Diameter x 1/2" 1 Piece. Very Strong Magnet, Read The Instructions: Industrial Rare Earth Magnets: Amazon.com: Industrial & Scientific
Master Magnet 0.47 in. Neodymium Rare-Earth Magnet Discs (6 per Pack) 07046HD - The Home Depot
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Amazon.com: Applied Magnets ® 4" x 1" x 1/2" Neodymium Magnet Block : Industrial & Scientific
1/2 x 1/4 Inch Neodymium Rare Earth Countersunk Ring Magnets N52 (12 P
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Super Strong Neodymium Magnet N42 4 x 1/2 x 1/4" Permanent Magnet Block, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific
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Neodymium Magnets - 1/2" x 1/4" - N35 Disc Magnet - Crafts Strong 13mm x 6mm | eBay
Rare Earth Magnets 1/2 in x 1/2 in Neodymium N42 Disc - Applied Magnets - Magnet4less
1/2 Inch Neodymium Magnets - ALB Materials Inc
Countersunk Hole Disc Neodymium Magnets
Disc Neodymium Magnet With Counter Sink Hole 1/2" Diameter x 1/8" Thic