A confidence-inspiring, draw-biased driver with heel focused weight location, the ST-X will appeal to players seeking a higher, right to left ball flight. With higher spin rates than its ST-Z counterpart, the ST-X will suit moderate swing speeds, needing help producing a more extended ball flight. A new 20-gram heel biased back weight creates a deeper center of gravity for more efficient, longer drives- more often.  Stock Aldila Ascent Red 50g shaft, choose regular or stiff.