Please view below data of motor TE16KM-12-384: Voltage:12V Ratio: 1: 384 rated speed:12rpm rated torque2.8kg/cm Allowable torque: 4.0 diameter:16MM TE16KM-16-384 low price but as high quality as original parts. We are pleasure to accept minimal order reached 2-3 pcs which is convenient for you. We have safe-stock 500pcs annually, for we did many times retail every month to different customer. Most customer became our returning customer after first purchasing.