TaylorMade Burner 09 Driver Next generation Dual Crown Technology incorporates a dual crown and large powerbase to lower CG in the clubhead, and promote high launch and low spin for more distance Super-stable, high-MOI head design, combined with Inverted Cone Technology promotes more forgiveness and more consistent distance on off-center hits SuperFast Technology includes a 49g shaft measuring 46 1/4 inches and promotes explosive swing speed, faster ball speed and added distance