TaylorMade Burner 2.0 Iron Set (#4 thru PW) : Right, Burner 2.0 85 Steel (Stiff) Consistent CG location for optimized ball flight in long-, mid- and short-irons Multi-Functional sole design for reduced turf-drag and advanced playability Flight-control shaft design for longer, higher long-irons and quick-stopping short-irons Strategically located Inverted Cone location for faster ball speed on mis-hits Refined vibration-management system for improved sound and feel