magnezmatic n50 countersunk disc magnets 12x3mm (1/2 x 1/8 inch), 3mm hole for m3 screws – screw-in neodymium rare earth magnets for 3d printing, signage & modular builds (50 pack) is up for auction in Industrial & Scientific. The current bid is $14.00, 40% below the $23.49 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.