This is a pair of Racers Edge Steel Universal Front Driveshafts for the Traxxas Slash 2/4WD Short Course Truck. Add a superior level of strength, durability and performance to the Slash 4 x 4 with these steel universals from Racers Edge. Precision-made, these are a direct fit that require no modification to install, and all necessary hardware is included. These can be used on both the 2WD and 4WD Slash (rear only).