Callaway X-20 NG Iron Set 2010 is on sale at
The Callaway 2010 X-20 Irons feature new USGA conforming V-grooves, and take a long standing tradition of performance and forgiveness to another level. Designed to deliver innovation, playability, and forgiveness, the Callaway X-20 Iron Set has a traditional appearance with the latest technology to deliver the performance and forgiveness to get the most out of your game.
New "V-Groove" technology which conforms with the 2010 USGA Groove standard.
Same clubhead design that won 2007 Golf Digest's Editor's Choice Award in game-improvement iron category.
360* undercut channel moves the weight deeper and lower into the clubhead, thereby increasing MOI for a more stable clubhead at impact.
Extreme Notch Weighting moves the weight further into the perimeter for additional forgiveness.
17-4 stainless steel construction for durability and feel.