Feature: 1. Motor Model: This is an excellent electric motor gearbox for children's cars motor model is 24V 555 18000RPM 2. Metal Middle Gear: The middle gear is made of metal, which is more sturdy and durable, and has long service life 3. Low Noise an Wear Resistant: Kids electric car gearbox will produce considerably lower noise and be more wear resistant 4. Replacement Part: Children electric car gearbox will be a great replacement for your damaged or old gearbox parts 5. Excellent Workmanship: Fine workmanship makes the gearbox not easy to damage, and greatly extend the service life Specification: Item Type: Gearbox Material: Plastic, Copper, Steel Color: As Pictures Shown Weight: Approx. 965g / 34.0oz Product Size: Approx. 106x205mm / 4.1x8.1in Hole Diameter: Approx. 1cm / 0.4in Motor Model: 24V 555 18000RPM Application: Applicable to Children's Electric Toys. Package List: 1 x Gearbox Note: 1. Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.