... N52, N35H, Eh, Ah, 1]- Neodymium magnet,2]- use for motor,etc3]- Shaped,grade: customizedPlease tell me following ... Material:Sintered Neodymium magnet--Size: Segment magnet- please send us drawing; Block magnet- LxWxT;Disc magnet-DiaXT; Ring Magnet-ODxidxT--Grade:N30 ... are widely used in in mini-motor Permanent magnetic resonance sound device magnetic suspension, DC motors, linear motors, loud speakers ...