This ball weighs 16 pounds with no holes. There for I assume its a 15 pound ball since it will lose weight when drilled.
Track Theorem Solid - 15lb - Drilled
Track Theorem Solid Bowling Ball 14 lb NEW IN BOX! #146
15 lbs Track THEOREM SOLID bowling ball (Top: 1.8 oz, Pin: 3"-4")
Track Theorem Pearl Bowling Ball 15 lb NEW IN BOX! #174
Track Theorem Pearl Bowling Ball 15 lb NEW IN BOX! #253
Track Theorem Solid Bowling Ball 14 lb NEW IN BOX! #177
