Brunswick Cow Print Viz-A-Ball Coverstock: Polyester; Hardness: 80-82 Factory Finish: High Gloss Polish Core Dynamics: RG Max: 2.715 in.; RG Min: 2.696 in.; RG Diff: 0.019 in.; RG Avg: 8.7 Performance: Hook Potential 25; Length 235; Breakpoint Shape 30