This product is a used 15# single drill Black Widow Dynasty bowling ball in excellent condition. It features a reactive resin coverstock with a multicolor design and an asymmetrical core type. The ball is undrilled and has a high performance level, suitable for medium-heavy lane conditions. It is a ten-pin bowling ball designed for the United States Bowling Congress (USBC) and is made by the brand Hammer. The ball weighs 15 lbs and is a great option for bowling enthusiasts looking for a reliable and high-quality bowling ball.