... ,N40,N42,N45,N48......Max. Working Tempeture: 250 deg. C Coating: Zn, Ni, NiCuNi, Gold, or Epoxy,black phosphate coatedMagnetized direction ... , pls send inquiry to us including the size, the grade of material ,the coating and the quantity , we will send our best price ... supply our samples for your testing if you need .Properties of magnets Gallery:You are welcome to contact us for more ...