New Era 139 Symmetric Core, 2.54 RG, 0.032 Differential (Medium Flare Potential) Path Pearl Reactive Coverstock with 1500-Grit Abralon/Factory Polish Finish Gives Benchmark motion on Medium Lanes Versatile drilling options for different bowling styles Perfect Scale Rating: 181.30 Experience the perfect blend of power and control with the Pyramid Path Rising Bowling Ball. This 12lb, Black/Silver bowling ball features a New Era 139 Symmetric Core, offering a medium flare potential with a 2.54 RG and 0.032 differential. The Path Pearl Reactive Coverstock provides excellent traction on medium lanes, giving you a Benchmark motion. Its versatile drilling options cater to various bowling styles, making it an ideal choice for both recreational and competitive bowlers. Crafted with Injection Molded Resin, this resin bowling ball ensures durability and consistent performance. Elevate your game with the Pyramid Path Rising Bowling Ball.