Short answer: there isn’t a single definitive strokes-saved number — it depends on your stroke type, fitting and green conditions. In practice, switching to a properly fitted “zero-torque” (very high-MOI) mallet often produces small but meaningful gains: typical observed ranges are roughly 0 to ~0.5 strokes per round for most amateurs, with an average benefit around 0.1–0.3 strokes/round when the mallet corrects face rotation or alignment errors. Low-handicap players with already repeatable strokes often see negligible change. Best approach: do a blind A/B test over several 9- or 18-hole rounds and/or get a putting-fitting session to measure Strokes Gained over time.
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