rotor brushless motor 1.Size:23.8*9.8*9mm 2. ... .3.Stamping:high speed stamping4,automatic welding or riveting 1,external rotor brushless motor2,Material: silicon steel ,Stainless steel , Iron3,size:23 ... and drawings4,High quality and efficiency, economical We can customize rotor as your request, because we are factory, we are source ...