This set of two Redcat Racing 84mm Dogbone Driveshafts, model number 06061, are brand new and compatible with a variety of vehicles, including those of the universal and Redcat Racing brands. The driveshafts have a compatible scale of 1:10 and are designed for use with cars, trucks, and motorcycles. These driveshafts are an excellent addition for RC enthusiasts looking to upgrade their vehicle's chassis and drivetrain components. The driveshafts are suitable for use with the Tornado, Vortex, and Shockwave models.