Incision SCX10 II VDI Universals are machined from high quality, heat treated chromoly steel to provide SCX10 II owners with a more durable, higher quality drive shaft option. Features: High quality heat treated chromoly steel materials for dramatically increased strength Ready to install universal driveshaft Tight fit into locker for less rotational slop (May require a light press fit into the locker) Not compatible with original Axial SCX10/AX10 style axles