These Kyosho factory replacement 6.8mm flange pivot balls are used in suspension linkages where precise ball-end joints are required. Sold as a set of 4 pieces, they are machined metal components designed to maintain accurate suspension geometry. They are a direct replacement for worn or damaged pivot balls on compatible Kyosho platforms. Features: 6.8mm flange pivot balls Set of 4 pieces Metal construction Factory Kyosho replacement part 7/7/26 cs