... -N42-N52(M,H,SH,UH,EH) custom design as per drawing custom dimension as long as 200mm guaranteed quality Neodymium ... rare earth magnet, Long block magnets with custom design Product specifications:1. Block magnet has grades of ... motors,DC motors, Servo motors,Linear motors,VCM,MRI,Loudspeakers,Linear actuators,drives,toys,bags,household appliances,microphone parts,transmission ...