The Hammer Black Widow Toxin Hybrid 15 LBS Left Hand Drilled bowling ball is a high-performance ten-pin bowling ball designed for competitive play. With an asymmetrical core and a medium-heavy lane condition, this ball is ideal for advanced bowlers looking for precision and power. The sleek black color and 15 lb weight make it a stylish and effective choice for serious players. Approved by the United States Bowling Congress (USBC), this bowling ball from the trusted brand Hammer is sure to enhance your performance on the lanes.