The motor is made of metal and is durable. With an operating voltage of 14.4 V and an idle speed of 19,000 rpm, it is powerful and robust. High torque high power round shaft for home improvement projects such as electrical/electronics, rigs, robots, rc vehicles, rc cars/robot, car replacement motors saw, etc. The 13-tooth motor is designed for power tools such as drill motors. The waveform is circular with a rod diameter of 9.5 mm. 13 tooth motor for Bosch GSR14.4-2-LI/PSR14.4LI-2. Replacement parts for old or defective drill motors Package includes: 1 motor motor. Description: Made of durable metal. The working voltage is 14.4V and the no-load speed is 19,000 rpm, powerful and sturdy. The 13-tooth motor is designed for power tools, such as drill motors. Spare parts for old or broken engine. The shank style is round, and the shank diameter is 9.5mm. Features: Material: metal. Color: as shown. Axle diameter: approx. 9.5 mm. Content: 1 engine. Note: 1. Due to the lighting and individual monitor settings, the item's color may be slightly different from the pictures. 2. Measurements are taken by hand, the dimensions indicated may vary by 1-2 cm.