Material: The RC drive shaft is made of metal material, with high strength, sturdy and durable. Good Looking: The appearance of the remote control drive axle is exquisite, high grade, and the silver color makes your model car cooler and more attractive. Easy to Use: Easier to install and disassemble, save your precious time. Good Accessories: The remote control drive shaft is a perfect replacement accessory, an excellent part to the 1/16 remote control car, which can better meet your needs.. Compatible With: The RC drive shaft is suitable for HBX 16889, 16889a, 16889pro 1/16 RC cars. Specification: Material: Metal Color: Silver Size Chart: Front length: 82mm/3.23inch Rear Drive Shafts length: 55.7mm/2.19inch, RC Drive Cup length: 33.9mm/1.33inch Package Includes: AS YOUR CHOOSE 1 Piece Front CVD Drive Shaft or 1 Piece Rear CVD Drive Shaft Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on line shopping!