Feature:1. The middle gear is metal gear, and the motor is thickened with copper wire, so power and speed coexist.2. Low noise during work, more wear-resistant gears, and long service life.3. Easy to install, simple and convenient to use, strong interchangeability.4. There are many models to choose from, which can meet different needs.5. This is a motor gearbox for children's cars with stable performance.Specification:Condition:100% Brand New Item Type: Motor Gear BoxMaterial: ABSPurpose: Motor gearbox for children's carsWorking Voltage: 12VAperture: Approx.12mm / 0.5inTotal Length x Width: Approx. 185 x 92mm / 7.3 x 3.6inInstallation Hole Distance: Approx. 70mm / 2.8inMotor Diameter: Approx. 36mm / 1.4inKey Groove Diameter: Approx. 58mm / 2.3in Package List:1 xMotor Gear BoxNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.