Hammer Black Widow Ghost Pearl Bowling Ball Hammer Black Widow Ghost bowling ball is one of the most popular ball in Hammer Black Widow series. The ball has pearl finish with Aggression Pearl Reactive coverstock and inside a Gas Mask core for the best performance. The Black Widow Ghost ball is a design for aggressive bowling at the midlane to backend on medium to heavy oil lane condition. Color: WhiteAll colors do vary somewhat from the picture shown Coverstock: Aggression Pearl Reactive Core: Gas Mask (16-14) 500, 1000, 1500 Siaair/Crown Factory Compound Reactions: Aggressive midlane and backend RG: 2.50 (15# ball) Differential: 0.058 (15# ball) Hook Potential: High Length: Late Recommended Lane Condition: Medium to heavy oil FCC Rating: Total-26, Finish-7.75, Core-8.75, Cover-9.5 Manufacturer's Warranty: Two years from purchase date
