Wrench is not included with purchase The 915D4 provides aggressive spin reduction through a low and slightly more forward CG location, while providing speed and stability on off-center hits.
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Titleist's Lowest Spin Driver Ever
The 915D4 provides aggressive spin reduction through a low and slightly more forward CG location, while providing speed and stability on off-center hits. The reduced spin, up to 300rpm versus 915D3, provides a flatter trajectory. The 450cc head has a similar profile and face height to 915D3, with more curvature across the crown for a slightly rounder look in the playing position.