4PCs DC Electric Motor 3-6V Dual Shaft Geared TT Magnetic Gearbox Engine for DIY Robot Toys Cars Chassis Models Vibration Products by Yeeco(1:48 Reduction Ratio) Go to amazon.com Related posts 10 best dc motor with gearbox FeatureVoltage: DC 3V-6VReduction ratio: 1:483V-170mA; 115RPM, 0.7KGf.cm torqueSize: 64.2x22.5x22.5mm(without the shaft)For DIY robot toys cars chassis models