Fine workmanship and durable in use. Package Includes: 1 x Transmission Gearbox (other accessories demo in the picture is not included.). Upgrade parts for rc car models. Package Size: approx.100 x 80 x 60mm / 3.93 x 3.14 x 2.36in. Manufacturered by EAPTS. 100% brand new and high quality. Material: Plastic and Metal. Fits for WPL B1 B24 B16 B36 C24 1/16 4WD 6WD RC Car. Easy to use stable performance.