Maybe one of these similar products would be of interest:-
Storm ION PRO 15 lb - Brand New In Box - NIB 15 Pound UNDRILLED
Storm Ion Pro & Storm Lightning Blackout Combo, 15lbs RH
Storm Ion Pro Bowling Ball 15 lb
NIB 14# Storm Ion Pro & 14 # Ion Max (only 6 games) Combo / with NEW 2 Ball Tote