... produce them in various shapes,sizes and grades. Sintered neodymium rare earth magnet is the most powerful,and widely used in many ... magnets,please tell us the information as follows:Material:Sintered Neodymium magnetSize: DxTGrade:N30-N52,N30M-N48M,N30H-N45H,N30SH-N42SH ... you wantWe also produce according to customer's requirement. NdFeB--magnet