... Ni 2.Grade N ,M , H , SH , UH, EH series 3. Good Quanlity We can manufacture all kind of size ... of the normal scope, say extreme thin , thick or large magnet,please contact us for special arrangement), dimension tolerance: +/-0.05mm ... magnetic motor.Tractor,Servo motor,Speaker,Sensor,Magnetic crane,Magnetic Separator,Magnetic device&equipment,Magnetic vibrator,Suction cup,Instruments,Magnetic coupling ...