Compact design and high performance - Neodymium magnets represent the most modern family of permanent magnets and are made of a Neodymium Iron Boron (NdFeB) alloy.
Ring Magnet Neodymium with Screw Hole D10 x d7,2/3,6 x 3 / N38 - NdFeB Holding Force Max. = Kg. Coating Nickel (Ni+Cu+Ni) Axial Magnetization [Along Height]