Aramith Stone Pool Ball SetAramith Stone Pool Ball Set Specifications This 15 ball set is one of the most unique billiard balls on the market today. Each ball features a beautiful granite appearance, yet carry the same high level of quality you've come to expect with Aramith balls. Aramith balls feature: Perfect roundness and balance. Uniform weight and hardness. Brilliant colors. Friction resistant roll and reaction. Aramith phenolic balls last up to five times longer than