The following balls have a span between 4-1/8" and 4-1/4" only drilled once.
16# ebonite illusion- used very little.-$75 OBO
15# Storm blaze-used about 50 games.$45 OBO
15# Columbia Arc- Used about 20 games...lanes not oily enough...$50 OBO
Heavy 15# Storm Eraser.. it is MINT!!! (Looks like its never been used) $60 OBO
16# Storm Shock Trauma. Has about 75 games on it. Its in great shape. $60 OBO
SHIPPING 10.00
I would consider trades....for 15# balls.