The Radical Double Cross Bowling Ball is a 15 lb, asymmetrical core, urethane coverstock ball designed for medium lane conditions. With a differential of .38 and an RG of 2.58, this strike ball features a sanded finish and is suitable for use in the United States Bowling Congress (USBC). The ball is pre-drilled and has been used for 5 games. The Double Cross is a part of the Radical product line and is made in the United States.