Mutant Cell. Bowling Ball. Used/Single Drill. The span is roughly 4 3/4" and the drilled weight is 14 lbs, 8 oz. Item Details.

Number of Items in Set: 1
Coverstock: Solid Reactive
Color: Multicolor
Material: Reactive Resin
Core Type: Asymmetrical
Vintage: No
Brand: Roto Grip
Association: United States Bowling Congress (USBC)
Unit Type: lb
Ball Type: Ten-Pin Bowling Ball
Features: Drilled, Undrilled
Performance: High Performance
Sport/Activity: Bowling
Item Weight: 15 lb