Fine workmanship and durable in use. Upgrade parts for rc car models. Manufacturered by EAPTS. 100% brand new and high quality. Material: MetalPlastic. Package includes: 1 x 370 power and gearbox(other accessories demo in the picture is not included.). Package Size:app. 8 x 8 x 6cm / 3.14 x 3.14 x 2.36in. Easy to use stable performance.