1. The differential cup is specially designed for WLtoys 144001 1/14 four wheel electric vehicle. 2. Exquisite workmanship, excellent quality, high precision, guarantee to meet the specifications of your equipment. 3. Made of high quality materials, it is durable, wear resistant and corrosion resistant. 4. It can directly replace the old differential cup accessories, to help you better control your high speed car. 5. It is easy to install and disassemble, which can effectively improve the performance of RC vehicle control. Specification: condition Item Type: Differential Mug Type: 144001-1280 Applicable age: over 6 years old Application: Fit For WLtoys 144001 1/14 RC Car Colour:Silver Material:metal<br><br>Package Contents: 4*Differential Cup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.