Turbo Switch interchangeable thumb outter sleeve is installed.
USED 15LB Storm Bionic Bowling Ball
USED 15lb Storm Monsoon Bowling Ball - NO THUMB Drill - Less than 5 Games
USED -Bowling Ball - 15lb Storm Reign Of Fire
*USED - 15lb Bowling Ball - Storm " NATURAL " - PLUGGED AND RESURFACED
15lb STORM ProMotion Bowling Ball USED
*USED - Bowling Ball -15lb STORM "SUMMIT" PLUGGED / RESURFACED
