Disc magnet 1,5 x 0,5 mm, Nickel-plated - supermagnete.de
15mm X 0.5mm N52 neodymium thin magnets round discs 5/8in x 1/64in
500pcs Tiny Mini Magnetic Magnets 1x0.5 mm Small Round Micro Ndfeb Imanes Diameter 1mm x 0.5mm Neodymium Disc Sensor Mini 1*0.5 - AliExpress Home Improvement
1 mm x 0.5 mm N52, high grade, neodymium disk magnets - 100 piece pack