Well, if your just starting out trying to hook more than the bowling alley balls than go with a power groove or a avalanche pearl. Usually they charge around $40-$50 to drill but if you buy the ball there then they add drilling into the price of the ball. Hope this helps.
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CHRIS FARLEY:1964-1997
JOHN CANDY:1950-1994
JOHN BELUSHI:1949-1982
JIM MORRISON:1943-1971
"NO RESPECT, I GET NO RESPECT."-the great Rodney Dangerfield