This is a round hole magnet with an outer diameter of 70mm, an inner diameter of 32mm, and a thickness of 15mm. The material is sintered ferrite, anisotropic, and the surface is uncoated. It is mainly used for speakers, speakers, and thickness magnetization....
This is an annular ferrite magnet with an outer diameter of 80mm, an inner diameter of 40mm, a height of 10mm, a height of 12mm, and a height of 15mm. It is anisotropy, It can be used for speakers, loudspeakers, car stereos, industrial, mechanical equipment, etc....