SQUARE MAGNETS 6mm x 6mm x 1mm - 100/250 pc sets - STRONG N48 Rare Earth Neodymium
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Frey Scientific Neodymium Magnet Set, 14 mm OD x 6 mm, Set of 2, 1 - Fred Meyer
MIKEDE Strong Neodymium Fishing Magnets 6 Pack, 100 lbs(45KG) Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.26 inch(32 mm) for Retrieving in River and Magnetic Fishing: Amazon.com: Industrial &
D 20 x 2 mm N45 Neodymium Disc Magnet Central Hole Countersunk with 6mm Hole