This vintage Hammer Big Blue bowling ball is a high-performance piece of equipment designed for ten-pin bowling. It features a reactive resin coverstock with a glossy finish, and comes in a unique Yellow-Blue Swirl color pattern. The ball has been previously owned, but remains in excellent condition for use on any lane condition. The Hammer Big Blue is a drilled ball with a weight of 10.75 lbs, and is part of the Hammer product line. It is suitable for use in both casual and competitive bowling, and is sure to turn heads with its vibrant colors. Don't miss out on this rare find for your bowling collection!