... Magnet3,5,7,8,9,12 Slots ArmatureSilicon-steel Lamination with Epoxy CoatingHigh-Carbon Steel ShaftCu-Ag Alloys CommutatorCopper-graphite ... ,Resist Intense Vibrations9,Zero Axial Gap10,Low noise Design11,Fast Response(Small Tm)12,High Torque at a Low ... motor,gear head motor,reducing motor Gearbox motor,reducer Motor,speed control motor,dc gear motorDimension: Gearhead Diameter:38mm Output Shaft ...