The Arrma ARAC5031 4S Pin 2.5x15.2mm (4) is a set of silver pins designed for electric trucks in a 1:10 scale. Made by the brand ARRMA, these pins are compatible with vehicles such as the Arrma AR713029 model. These new, sealed pins are a perfect addition to your RC vehicle for optimal performance. Made in the United States, these high-quality pins are a reliable choice for enhancing your radio control experience.