This product is a ring-shaped ferrite magnet with an outer diameter of 20mm, an inner diameter of 10mm, and a thickness of 3mm. There is no coating on the outside. The magnetizing method is axial/planar 4 poles and the surface magnetic field strength is about 980gs....
This is an axial 4-pole/2 pair pole ferrite ring magnet. The specific size is 21.2mm outer diameter, 7.5mm inner diameter, 3mm thickness, and the magnetic strength is 1050gs. If the sample is suitable for your product, please contact us ....