Features： 1、The gear is made of high quality metal material, which has the characteristics of impact resistance, durability, low noise, etc. 2、The rotor adopts pure copper coil, with small electric group, strong conductivity, low heat generation, stable output, low loss and long life. 3、3 layers of high density molecular paint drip coating, effectively insulate dust and high temperature resistance。 4、The carbon brush bearing reduces the friction between the roller and the bearing, is not easy to get hot, high load resistance, and is not easy to fade and rust. 5、This DC metal motor can be used in smart toys, analog robots, electronic locks and other fields. Specification： Item Type: Motor Material: Brass, Copper, Steel, Carbon Shaft Length: Approx. 10mm/0.4in Shaft Diameter: Approx. 3mm/0.1in(D Shaped Shaft) Operating Voltage: DC 12V Uses: Can be used in smart toys, analog robots, electronic locks and other fields Package List： 1 x Motor