RioRand DC 12V 0.07A 3.5RPM High Torque Gear Box Electric Motor 37mm Powered by RioRand Advanced Technology Shaft Diameter: 6mm / 0.23"; Gearbox Diameter: 37mm / 1.45" DC Motor Diameter: 32mm / 1.26" ; Total Length(Approx.): 72mm /2.8" Color: As Picture Shown; Weight: 149g Package Content: 1 x DC Geared Motor