they feature the hard-hitting DynamiCore

Smooth Roll

We've strategically

Non-marking rubber outsole w/ defined horsehoe heel

The Double Cross featuring a new core specifically designed to produce exceptional urethane performance

Brunswick Knock Out Bruiser Solid Bowling Ball Blue/Purple size 7 they feature the hard-hitting DynamiCoreBrunswick Knock Out Bruiser Solid Bowling Ball Blue Purple Brunswick is launching the Knock Out Bruiser to the Knock Out line. Buy one of the most reliable bowling ball of Knock Out series. With a Savvy Hook 4. 0 Solid Coverstock and Melee core the ball offers plenty of hook, easy length and strong backend motion. The ball is appropriate for medium to heavy oil condition lane. Performance Level: Upper Mid Performance Color: Blue Purple Core: Melee