Introducing the new Columbia 300 Pure Physics. Featuring our high-performing Full Swing core surrounded by our powerful Full Tilt 7.5 coverstock.The new Pure Physics delivers a massive hook and an even more powerful backend. Its performance delivers nothing short of pure satisfaction. Because it doesn’t take a rocket scientist to understand that when you’ve got the biggest hooking ball in the market — you’ve got the advantage. Check it out and see for yourself how Columbia 300 is delivering the best balls in bowling.