Description: The Brunswick Tzone is always a great spare ball to have in the arsenal. Show your style and get pinpoint accuracy with this bowling ball. Available in assorted colors and patterns at an affordable price. Get in the zone today with the Brunswick Tzone! Coverstock: Polyester Finish: High Gloss Polish A few tiny pit holes in the cover stock of the ball are normal RG Max: 2.715 RG Min: 2.696 RG Differential: 0.019 RG Avg: 8.7 (scale 1-10) Hook Potential: 25 (scale 10-175 high) Length: 235 (scale 25-235) Breakpoint Shape: 30 (scale 10-100) Color: Patriot Blaze All colors do vary somewhat from the picture shown.