50 Pcs 30*10*3 Ndfeb Neodymium Magnet N35 N38 Super Powerful Imanes Permanent Magnetic Neodymium Magnetic 30*10*3 Mm Magnet - Magnetic Materials - AliExpress
Magnetic flux densities for (a) N35, (b) N38, (c) N40, and (d) N42... | Download Scientific Diagram