Single drilled low games. This Storm Fast Pitch bowling ball is a high-performance 15-pound ball with a navy color and a Controll XL Solid urethane coverstock. The Tour-Symmetric core type and 1000-grit Abralon finish make it perfect for medium to heavy lane conditions. It is USBC association approved and a great choice for any bowling enthusiast. The ball features a drilled design and comes as a single item in the set. It is not signed, but it is a brand new model, not vintage. This ball is perfect for any bowler looking to improve their game and is made in the United States.