The Lane #1 Black Panther is fierce. It hunts down pins like no ball before it, taking no heed to heavy oil. Even the heaviest of conditions is no match for the Black Panther.The new Ion coverstock is meaner and more aggressive than any before it! Matched with the Oversized Patented Diamond Core, the strikes will come in droves. Don't be the prey, be the predator! Product Type: Bowling Balls Type: Bowling Balls Size: 15 Pounds Color: Multi-Color Color Mapping: Multi-Color Performance: High Performance Core Type: Symmetric Finish: Matte Lane Condition: Heavy