Fine workmanship and durable in use. Upgrade parts for rc car models. Manufacturered by EAPTS. 100% brand new and high quality. Material: Metal. Package includes:1 x 27T Motor Gear; 1 x 42T Reduction Gear(other accessories demo in the picture is not included.). Fit For Wltoys 144001 1/14 RC car. Easy to use stable performance.