Uxcell Electric Motor Commutator 7 Gear Teeth 4mm ID 11mm OD for Motor Spare Parts

What is this?
This is a motor accessory that is mainly used to change the direction of the rotor current to keep the motor rotating in the same direction. Widely used in power tools, home appliances, high-speed DC motors, and other fields.

Are there any advantages of the product?
Made of copper material, it has good wear resistance and can run at high speed.

What should I notice?
The gears mounted on the motor cannot be removed.