Don't move off your mark when lane conditions change. Just whip out the all new Vicious Particle Pearl. It's the go to ball when you need a predictable roll on medium dry to medium oil. With a low mass bias asymmetric core, along with the Power Whiptrade SF 33 Particle veneer and pearlized coverstock, you'll bowl clean through the fronts and still strike with a vicious angle on the backend.Product Type Bowling Balls