Cobra Long Tom Driver Highest Length to Weight ratio of any driver*: Four feet long (max allowed by the USGA) with Ultralight shaft and grip delivering maximum distance. Advanced Material Placement: with a high strength thin Titanium 8111 alloy face repositions up to 20 grams of weight to move cg extremely low and deep. E9 Face Technology with Dual Roll has an elliptical face featuring a new canted bulge with dual roll design providing more distance to shots hit above and below the centerline Ultralight Grafalloy Blackbird shaft: with a 275 gram overall weight and Speed Coat Technology, this shaft improves aerodynamics and increases clubhead speed.