Description: Compatibility: 1/12 RC Car Drive Shaft is suitable for 1/12 MN82, MN78, LC79, MN168 RC cars, etc.Material: 1:12 RC Car Drive Shaft is made of metal to ensure long life and performanceSize: Metal Drive Shaft is between 69mm and 93mm in length, with a hole diameter of 4mm and an outer diameter of 8mmPackage Included: Each package comes with a metal drive shaft, two machine screws and a wrenchEasy to Install: RC Universal Driveshaft is quick and easy to install, ensuring your RC car back up and running in no time Size Chart: Length 6.9cm-9.3cm/2.72inch-3.66inchHole Diameter 0.4cm/0.16inchOuter diameter 0.8cm/0.31inch Package Includes: 1 Metal drive shaft2 Machine screws1 Wrench Note: Please allow slightly errors due to manual measurement and different monitors.