Staff Answer
Oct 08, 2026 - 03:06 PM
No. It is sold undrilled, without finger holes, so it can be fitted to your hand and span. Because the Gas Mask core is asymmetric, your pro shop can tune the layout to control how early and how strong it plays. For layout guidance, Brunswick's drilling instructions for symmetric and asymmetric balls are on our site: https://www.bowlersmart.com/bowling-t...


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