... 2) Reasonable price 3) Perfect Consistence 1) Material: Sintered NdFeB Magnets;2) Grade:N33-N52 33M-50M,33H-48H,30SH-45SH ... on;6) Application: sensors, motors, rotors, wind turbines,wind generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on; NdFeB arc magnets