The Traxxas 5657 Cross Pin (4) Drive Pin (4) Set Screw (4) is a set of essential parts for the driveshaft of the Traxxas Summit model. Made in the United States by the reputable brand Traxxas, these parts are designed to ensure smooth and reliable operation of the RC vehicle. The set includes four cross pins, four drive pins, and four set screws, providing all the necessary components for maintenance or repairs on the driveshaft of the Summit model.