Info:  These are genuine Wilson irons!!!
 
Wilson Di9 Irons
We’ve learned a lot with our award-winning Wilson Staff Di7 iron, and delivered it in the all new Di9.  Distance superiority.  Greater accuracy.  Improved feel.  The Di9 is more powerfule, more accurate and more fun to play. 
Inegrated Design - Generate maximum power.  Stabilize the power for straighter flight.  Reduce impact vibration for better feel.  The new Wilson Staff Di9 features integrated technologies like no other iron on the market.
More Distance

Low Profile, Wide Sole - A lower profile and wider sole lowers the CG promoting a higher and straighter ball flight for greater distance.
Higher Ball Speed - Comparative distance testing shows ball speed off of the Di9 to be superior, resulting in greater distance from a hot, responsive face.
Stability, Speed, and Feel - Wilson’s patented wide-tip technology is applied to super lightweight shafts from UST and True Temper.  While the wide tip controls twisting inherent in today’s oversized iron heads, the reduced weighte generates maximum clubhead speed for even greater distance.  This is the softest wide-tip shaft ever produced.
More Accuracy

Bigger Sweet Spot -While its low-profile, wide-sole head design is visually appealing, it is also highly functional.  Because 85% of all shots are hit from the center to the toe, the Di9 incorporates a toe-friendly cavity that extends the sweet spot to where most shots are hit.
Highest MOI when compared to key competitors.
WideTip Stability - A low profile head moves the center of gravity (CG) down for higher ball flight.  A wide sole moves the CG back for greater stability and a wider shaft tip reduces twisting on off-center hits.
More Feel

Vibration Dampening - Covering the entire length of the cavity is a low durometer, vibration-dampening urethane medallion which expands the sweet spot to the entire length of the face.  The urethane insert is thicker in the heel and serves as a shock-trap that reduces the vibrations that travel through the hosel, up the shaft and into your hands.
New High Performance Grip Technology - The aggressive design on the fully functional grips have blister-free zones under thumbs and lower fore-finger.  The vertical and horizontal grooves promote torsional traction for rotation.
5 iron - Loft 25°, 6 iron - Loft 28.5°, 7 iron - Loft 32°, 8 iron - Loft 35.5°, 9 iron - Loft 39°, PW - Loft 42.5°, AW - Loft 46°, GW - Loft 49.5°

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