The motor is made of metal and is durable. With an operating voltage of 14.4V and an idle speed of 19,000RPM, it is powerful and robust. High-power, high-torque round shaft for home improvement projects such as electrical/electronics, platforms, robots, remote-controlled vehicles, remote-controlled cars/robots, saw replacement motors, etc. The 13-tooth motor is designed for power tools such as drill motors. The waveform is circular with a shaft diameter of 9.5mm. 13-tooth motor for Bosch GSR14.4-2-LI/PSR14.4LI-2. Replacement Parts for Old or Broken Drill Motors Package Includes: 1 x Motor. Description: Made of durable metal. The working voltage is 14.4V and the no-load speed is 19000rpm, powerful and sturdy. The 13-tooth motor is designed for power tools, such as drill motors. Replacement parts for old or broken motor. The shank style is round, and the shank diameter is 9.5mm. Specifications: Material: Metal. Color: As the picture shown. Shaft Diameter: Approx. 9.5mm. Package