Description: 【Compatibility】: This drive shaft  is specifically designed for the 1/12 scale MN98 MN99S rc cars  【Material】: Made from  iron, ensuring durability and longevity of the rc drive shaft.  【Dimensions】: The rc car part with a length of 59.2mm that can be extended up to 74.2mm. It has an interface at both ends measuring 4.1mm and an outer diameter of 8mm. 【Easy to Install】: Rc replacement drive shaft is easy to install,to replace old  rc car part.  【Package Includes】: Each package comes with a pair of front and rear  drive shafts,  a small wrench, and five machine screws for easy installation.   Specification: Material: steel Size Chart: Length: 5.92cm/2.33inch Extended Length:7.42cm/2.92inch Interface Both Ends:0.41cm/0.16inch Out Diameter:0.8cm/0.31inch(6 Pack) Package Includes: 2 Drive Shafts (Front and Rear) 1 Small Wrench 5 Machine Screws