This is the optional MIP C-CVD for the Traxxas Slash, Nitro Rustler and Nitro Stampede Vehicles. FEATURES: Steel construction INCLUDES: Two C-CVD Bones Two Axles Two Outdrive Cups Two Capture Rings Two Drive Pins Two Cross Pins Two Couplings Two 4mm Lock Nuts Four 6-32x1/8" Set Screws MIP Decal Sheet Instruction sheet REQUIRES: Installation on the vehicle SPECS: Length: 79mm (3") Shaft Diameter: 4.5mm (0.18") cnh 12/23/08 ir/jxs