13mm 3V Coreless DC Motor for Dental Equipment and Tatoo Machine #2141510 13mm 3V Coreless DC Motor for Dental Equipment and Tatoo Machine Size: Dia 13 * L 28 mm Rated Voltage: 3 V No load speed : 11900-20500 rpm No load current: 71-140 mA Stall torque: 9.68-11.01 mNm