Welcome to our store! 1. The gear is made of high-quality metal material, featuring impact resistance, durability, and low noise. 2. The rotor adopts a pure copper coil with a small electrical group, strong conductivity, low heat generation, stable power, low loss, and a long lifespan. 3. Features 3 layers of high-density molecular drip coating, effectively isolating dust and offering high temperature resistance. 4. The carbon brush bearing reduces friction between the roller and the bearing, is not prone to overheating, has high load resistance, and is not easily faded or rusted. 5. This DC metal motor can be used in smart toys, analog robots, electronic locks, and other fields. Item Type: Motor Material: Brass, Copper, Steel, Carbon Shaft Length: Approx. 10 mm/0.4 inches Shaft Diameter: Approx. 3 mm/0.1 inches (D-shaped shaft) Operating Voltage: DC 12V Uses: Can be used in smart toys, analog robots, electronic locks, and other fields. Package Includes: 1 x Motor Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide the best after-sales service.