Our Hammer Dark Web Ten-Pin Bowling Ball is the perfect option for those looking for a high-performance ball. The ball is made of reactive resin coverstock, which ensures a matte finish. Symmetric core type ensures that the ball rolls consistently and accurately. The dark blue and black design makes the ball stand out, and it is designed for medium-heavy lane conditions. Weighing 15 lbs, this ball is perfect for bowlers of all levels. Ball has inserts and Vise IT thumb and may need to be plugged to fit your hand specifications.