CHANCS TYD-50 Small Synchronous Geared Motor 110V AC 10-12RPM 4W CCW Torque 3Kg.cm Working Voltage: AC 100-130V Shaft Length: 0.64";Shaft Diameter: 0.27" Screw Thread on the Shaft: M4 Speed: 10/12RPM;CCW GuaranteeAny quanlity problem,we guarantee 100% unconditional refund or resend service.