Columbia 300 Blue Dot standard drilling service This core has a low

This core has a low RG symmetrical shape with high differential that generates flare as well as awesome motion down the lane and on through the pin deck

Right or Left Hand Convertible

This core is wrapped with the SPEC Solid Reactive coverstock which is not affected by heavy oil and keeps a powerful motion through the backend of the lane

Coverstock: U1S Pearl Urethane

The answer would be to purchase an 8 lb ball with Medium Standard Drilling

Columbia 300 Blue Dot standard drilling service This core has a lowColumbia 300 Blue Dot Everybody needs a good stand by. Blue Dot still reigns as America's true blue spare. Its high tensile polyester cover allows for the slickest performance on the driest lanes. With every shot, in every game, Blue Dot comes through with flying colors. Count on it. This re release ball is harder than the White Dot making it more reliable. Color: Silver All colors do vary somewhat from the picture shown Core: Bullet Coverstock: