Grade: N38,N40,N42,N45,N33m,N35m,N38m,N40m,NN42m,N45m can be offered! 1)Grade: N38,N40,N42,N45,N33m,N35m,N38m,N40m,NN42m,N45m can be offered!2) Size, grade, tolerance and coating can be custom made 3) High quality magnet parts available 4) Many shapes available: block, dic, arc, ring NdFeB magnet