Staff Answer
Oct 08, 2026 - 02:55 PM
No. It is sold undrilled, without finger holes, so it can be fitted to your hand and span. Because the core is asymmetric, layout has a strong influence on the reaction, so your pro shop can tune the pin and mass bias placement to your game. For layout guidance, Storm's drilling instructions for symmetric and asymmetric balls are on our site: https://www.bowlersmart.com/bowling-t...
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