Callaway razor x hl irons or Wilson Di11?
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When they came out two years ago, I hit the RazrX HLs along with the other Razrs in some clubfittings. I have modest clubhead speed (about 85 MPH for driver), but I had trouble hitting the HLs way too high.
You would have to test them out to see if they worked for you. Stock shafts for the model were the M10 Uniflex steel, and the RazrX HL men's graphite.