Master Magnetics ND060N35X20 Neodymium 35 MGO Round Magnet Fastener, Rare Earth Magnet Disc, Nickel Plate Finish, 0.375 Diameter, 0.10 Thick, 2.5 lb (Pack of 20), Model: ND060N35X20

Neodymium magnets affix to closures, containers, displays, gauges, and other items to hold by magnet to magnet or magnet to steel, fit into counter bore holes in fixtures to hold work pieces, insert into drain plugs and stainless steel tubes for separation products to attract and hold small iron filings, or affix to surfaces to activate sensors and many other applications where space is limited and maximum power is required.