The TaylorMade Golf Tour Burner 450cc Driver has a dual crown made of steel, and the weighted power-base promotes increased distance. Modern head shape promotes lower, deeper and precision-placed CG for higher launch angle and lower spin SuperFast Technology promotes increased swing speed, faster ball speed and added distance Inverted Cone Technology dramatically expands the portion of the clubface that delivers high COR for consistently longer drives on off-center hits SuperFast 60-gram RE AX graphite shaft is exceptionally lightweight and stable to promote greater distance and accuracy