This is an optional Hot Racing Axial SCX24 Steel Center Driveshaft, intended for use with the Axial SCX24 Jeep and Chevy C10 vehicles as an upgraded, tougher option over stock parts. Features: CNC hardened Black finish Fits SCX24 Jeep & C10 Replacement for medium & long axles in AXI31611 NOTE: This is not compatible with SCX24 Deadbolt models. Includes: (1) Long steel u-joint center axles (1) Med steel u-joint center axles