The Hammer Black Widow Viz-a-Ball Bowling Ball is a 14 lb. ten-pin bowling ball designed for spare ball performance. Featuring a multicolor plastic coverstock and an asymmetrical core, this polished ball is ideal for dry lane conditions. With a drilled finish and the United States Bowling Congress (USBC) association certification, this bowling ball offers consistency and accuracy for avid bowlers looking to enhance their game. The Hammer brand is known for quality and performance in the sport of bowling, making this ball a reliable choice for players seeking to improve their spare shots.