Please view below data of motor TE16KM-12-576: Voltage:12V Ratio: 1: 576 rated speed:18rpm rated torque2.8kg/cm Allowable torque: 4.0 diameter:16MM Why you should choose our ink key motor TE16km-12-576, for its long service life, light noise, good quality and attractive price. We accept minimal order 2pcs at your convenience. If you have this requirement, Please feel free to contact us.