This is a 14lb Roto Grip RST X-4S Bowling Ball in Fuschia/Purple/Midnight color with a Hyper X Pearl Reactive coverstock. It has an asymmetrical core, 1500 Grit Polished finish, and is designed for medium-heavy lane conditions. This high performance ball is made of Reactive Resin material and features a RG of 2.56. It is a first quality, undrilled ball manufactured in the United States for ten-pin bowling by the United States Bowling Congress (USBC).