What does SW stand for?

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Swingweight

Swingweight (SW) is a measurement used in golf club fitting to determine the balance and feel of a club during a swing. It describes how heavy or light the clubhead feels relative to the grip and shaft, influencing a golfer’s ability to control the club and generate consistent swing mechanics.

Swingweight is typically labeled on a scale from A0 to G9, with lighter clubs falling in the A range and heavier clubs in the G range. The most common swingweights for drivers and irons range between D0 and D4, offering a balance between control and power. Adjustments to swingweight can be made by modifying grip weight, adding or removing clubhead weight, or altering shaft length, all of which impact tempo, speed, and shot consistency.