CHANCS TYC-50 Synchronous Motor 12V AC 5-6RPM CW/CCW Torque 4kg.cm 4W Working Voltage: AC 12V Speed: 5-6r/min Shaft Length: 16mm;Shaft Diameter: 7mm Rotation: CW/CCW (UNCONTROLLABLE) GuaranteeAny quanlity problem,we guarantee 100% unconditional refund or resend service.