This is the Replacement Differential Output Yokes Set for several Traxxas R/C vehicles. FEATURES: Black nylon differential output yokes. INCLUDES: 2 Black nylon yokes; 4 3x3mm set screws (.5 pitch); 2 3x5mm countersunk screws (.5 pitch); 2 3x12mm yoke pins threaded 5mm on one end (.5 pitch)