This is an optional Golden Horizons 12mm Hex Wheel Hub Set for the Traxxas Jato, Stampede, Stampede VXL, Rustler and Rustler VXL. FEATURES: Aluminum construction, anodized blue in color Replaces stock plastic hexes INCLUDES: Four 12mm Hex Wheel Hubs REQUIRES: Four 2.5mm x 12mm axle pins-salvage from kit or order TRAC4055 SPECS: Hex size: 12mm Thickness: 0.24" (6mm) COMMENTS: Also available in Purple, GHHC2142, Green GHHC2143 and Silver GHHC2144. Golden HorizonsPart GHH02141