The bowling ball has been drilled once. The thumb is drilled for an interchangeable insert.
Storm Ion Pro Bowling Ball 15lbs
Storm Ion Pro Hybrid Bowling Ball NIB 1st Quality Undrilled 15lbs 4oz 3-3.5"pin
Storm Ion Pro Solid 15lb Bowling Ball NIB
14 lbs Storm Ion Pro Fully Pluged Single Drill
15lb Storm Ion Pro Hybrid - Used
2024 15 lbs Storm Ion Pro (Single Drill - Less than 20 Games)
