... . Competitive price; 3. Various sizes, customized sized; 4. RoSH environmental. Disc NdFeb magnet: GradeN35,N38,N40Various sizes CustomizedShapeDisc (round)MaterialsSintered Neodymium ... widely used in communication, electronics, household appliances, medical apparatus many industrial area, like speakers, headphone, mobilephone, receiver, microphone, audio equipment, motors ...