Columbia 300 Blue Dot standard drilling service Core: Bullet

Core: Bullet

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

Their black and white design gives them a classic look that is very sharp

Columbia 300 Blue Dot standard drilling service Core: BulletColumbia 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: