Feature:1. Copper Material: Made of copper material, which is wear resistant and can avoid tooth breakage, making the motor has good toughness, impact resistance, and the bearing quality and motor service life have been improved. The motor is very durable.2. Easy to Install: The DC gear motor is small in size and light in weight, and it is easy to install the wheels on the output shaft of the motor or the helicopter blades.3. Better Performance: This all metal motor will ensure longer service life, higher torsion and lower noise, you can take it with confidence!4. Wide Application: This motor is suitable for elevator, landing gear, mechanical arm, electronic toys, etc. You can also use it for other use.5. Ideal Replacement: This geared motor can be easily installed, making it an ideal replacement for the old and damaged parts.Specification:Item Type: DC Geared MotorMaterial: CopperRated Voltage: DC6VNo Load Speed: 30RPMShaft Size: M4 x 55mm / 2.17inPurpose: For many applications, elevator, landing gear, mechanical arm, electronic toys, etc..Package List:2 xDC Geared Motor