The Wheel Balancer Cone Adaptor is a standard taper cone designed for wheel balancers with a 40mm shaft size. This black balance cone is suitable for use with car, truck, caravan, and SUV vehicles, providing a universal fitment for various types of vehicles. The set includes a single cone, making it an essential tool for tire repairing and maintenance tasks. With a 60-day free return warranty and a California Prop 65 warning, this aftermarket replacement part is reliable and efficient for professional automotive use.