Specs: Model: DS329MG Operating Voltage: 4.8V / 6.0V Operating Speed: 0.12sec.60º/ 0.11sec.60º Stall Torque: 3.8kg.cm / 4.5kg.cm Size: 32.5 x 17 x 34.5mm Weight: 32g Gear: Metal Motor: Coreless Connector wire: 300mm