Hey DIYers and motor repair enthusiasts! This PATIKIL electric motor commutator is exactly what you need when you're fixing up power tools or small appliances. This little guy is crucial for keeping DC motors running smoothly - it basically reverses the electrical current direction in the rotor so your motor keeps spinning the same way consistently. With 8 copper teeth and measuring 5mm inner diameter by 12.7mm outer diameter (that's about 0.20 x 0.5 inches for those who prefer imperial), it's built for precision applications. The 11.5mm height gives you plenty of surface area for good electrical contact. The all-copper construction is what makes this commutator really stand out - copper has excellent wear resistance and can handle high-speed operation without degrading quickly. This part works great in power tools, home appliances, and various high-speed DC motors where reliable performance matters. Just a heads up - the gears that come mounted on motors usually can't be removed, so make sure you're replacing just the commutator itself. Whether you're repairing a drill, saw, vacuum cleaner motor, or any small appliance with a DC motor, having the right replacement commutator can bring your equipment back to life. It's one of those specialized components that might seem small but makes a huge difference in motor performance and longevity.