Callaway X Forged UT 21 is a club for players who want to give themselves the chance to hit the fairway from the tee or reach the green in two on par 5s. Compared to its predecessor, this model has a longer blade and wider sole, which both increase forgiveness. With a firmer feel, this is a club for players seeking stability. Tungsten weights have been placed in the head to give optimal trajectory and ball flight, both from the tee and the fairway. The hollow construction and a head forged from 1025 steel makes the club stable and increases COR for longer shots.
External MIM tungsten weighting , By adding tungsten to strategically selected points in the head, the club becomes more forgiving and delivers good distance, even off thin hits.