https://www.dfmagnetic.com/product/ndfeb-magnet/round-and-cylindrical-sintered-ndfeb-magnet.html

Circular and cylindrical NdFeB magnets are produced in the form of discs and cylinders. Circular cylindrical NdFeB magnets are widely used in new energy vehicles, radar technology, electronic steering systems, satellite communications, remote control and telemetry technology, electronic tracking and electronic countermeasures technology.