This product is a ring ferrite magnet with an outer diameter of 13.5mm, an inner diameter of 10mm, and a thickness of 4mm. The grade is Y10, the surface magnetic field strength is about 650 Gauss, and the magnetism is not very strong....
This is a ceramic ferrite ring magnet with an outer diameter of 10mm, an inner hole of 4.6mm and a thickness(height) of 4mm. The magnetization method is radial 4-pole. If you are interested in this product, please contact our company to provide samples and prices....