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Good week to debut a driving iron on tour. Callaway introduced a prototype utility iron to their staff this week at Royal Liverpool. Phil Mickelson, Branden Grace, Ryo Ishikawa, Kristoffer Broberg and Thomas Bjorn were among those testing them on the course. Product details to come in the following weeks, but Callaway "leaked" a couple pics.

 

Overall design looks similar to the previous utility club, if I had to guess at any changes I would say the CoG is lower, more camber to the sole and a "softer" look at address.