This 8009 cylindrical magnet from Radial Magnets, Inc. is constructed from Neodymium Iron Boron (NdFeB) with an N35 grade. It features a NiCuNi finish and measures 0.375" in diameter.
The Littelfuse 57030-000 is a cylindrical magnetic actuator constructed from Alnico 5 material. It operates up to 105°C and offers a retentivity of 11000 Gauss.
The Radial Magnets, Inc. 8003 is an N35 grade Neodymium Iron Boron (NdFeB) cylindrical magnet. It features a NiCuNi finish and measures 0.125" in diameter and height.