Features 1、High Quality Material: Made of high quality plastic and metal materials, durable, wear resistance, high strength, more delicate appearance. 2、Improve Performance: Effectively improve the performance of your car, and reduce the probability of false gear and gear sweep, so that the remote control car smoothly running. 3、High Efficient Power System: A more efficient power transmission system provides a smoother ride and improves the driving force of the remote control vehicle. 4、Easy Operation: Easy to install and disassemble, can directly replace the old or damaged parts, in order to obtain higher strength. 5、Stable Performance: Professional manufacturing, craftsmanship and high accuracy help to provide stable performance to meet your various needs. Item Type: RC Gearbox Housing Differential Gear Kit Differential Material: Steel Gearbox Material: Plastic Weight: Approx. 84g / 2.9oz Color: Black Application: for WL 1/14 144001, 144010 Remote Control Car Package List 2 x Wave Box Upper Cover 2 x Wave Box Lower Cover 2 x Differential