100% Authentic Guaranteed PXG 0311P Gen3 Iron Set 4 to GW Mitsubishi MMT 80 Stiff Graphite Shaft Our GEN3 Irons feature our patented Impact Reactor Technology, are drop dead sexy and deliver an incredible combination of distance, forgiveness, accuracy, a sweet spot larger than Texas and feels so soft it’s like spreading warm butter on a hot biscuit – Oh My! Explosive Distance and Ball Speed Incredibly Soft, yet Solid Feel Absolutely Sexy