The Columbia 300 Boss double roller has the space for all your bowling balls

slip on bowling shoe

Non-marking rubber outsole w/ raised heel

1500 Siaair / Factory Compound

Contains a roll of 30 pre-cut pieces

Radical Crypto Boom Bowling Ball Select Weight:15 lbs. The Columbia 300 Boss doubleRadical Crypto Boom Bowling Ball The Radical Crypto Boom Bowling Ball features the new HK22 and is a pearl version of the original Crypto. All coverstocks are being measured by it's new standard of cover settings. It offers a complimentary ball motion to the original Crypto with a clean projection through the front part of the lane, and a sharper continuous down lane motion using the addition of the HK22 Cover. Performance: Entry Level Color: Smoke