The set sells for $599.99 with steel shafts $799.99 in graphite. The super game improvement set has hollow heads filled with nitrogen throughout the entire set, which is 4-PW + GW. The clubs are available in two set makeups: game improvement and super game improvement. The top line gets thinner as the set moves toward the short irons. The sole width transitions throughout the set so each club produces desired playability and easy launch angles. The lofts are standard for modern-day irons: #4-21° #7-31° PW-45°. A mid kick point is used in the middle irons to promote both distance and accuracy, while the short irons utilize a high kick point for dead-on accuracy. In the long irons the kick point is low to promote higher trajectory. The shafts also have variable kick points – VKP technology. The club’s graphite shaft weighs only 55 grams. To maximize club-head speed, PowerBilt is using a proprietary steel shaft which weighs only 85 grams – much lighter than a conventional steel shaft, which typically weighs about 125 grams. Kvinge points out that the technology goes beyond nitrogen. “So, you not only get increased distance,” he says, “you also get more consistent spin rates no matter where you hit the ball on the face. The enlarged sweet spot creates more consistent spin rates. But distance isn’t the only advantage, adds Kvinge, president of PowerBilt’s U.S. In side-by-side testing against industry-leading irons, the Air Force One N7 consistently hit the ball 10 yards farther with long-iron shots. Our testing shows the vast majority of golfers hit the ball farther with Air Force One, which is why we can say PowerBilt has the longest irons in golf.”
“One of the key benefits of our patented technology,” explains PowerBilt’s Ross Kvinge, “is that it enlarges the sweetspot significantly by thinning the face and allowing the nitrogen gas inside the head to support the face. This is why the Nitrogen-Charged Technology that PowerBilt has used so successfully in woods is incorporated into the Air Force One N7 irons, which have been named to the Golf Digest “Hot List” for 2011.
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