2 set RC Car part: 1 set Differential Cups & 1 set Universal Drive Shaft. The differential cup is specially designed for 144001 1/14 four wheel electric vehicle. Exquisite workmanship, excellent quality, high precision, guarantee to meet the specifications of your equipment. Made of s, it is durable, wear resistant and corrosion resistant. It can directly replace the old differential cup accessories, to help you better control your high speed car. It is easy to install and disassemble, which can effectively improve the performance of RC vehicle control. condition. Differential Cup: Type: 144001-1280 Applicable age: over 6 years old Application: Fit For 144001 1/14 RC Car Color: Silver Material: Metal Universal Drive Shaft: Made of metal, stronger and more durable Specifications: Suitable for: 144001 1/14 RC Car Color: Black Material: Steel Package Contents: 4 * Differential Cup 2 * Universal Drive Shaft Only the above package content, other products are not included. Note: Light 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.