The Verdict: The M2 looks a lot like the M1, but that's where the similarities end. The M2's slot stretches nearly the entire length from heel to toe to help the face flex near the USGA limit. The variable-thickness face has an "inverted cone" shape to improve speed on mis-hits, especially those lower on the face. A redesigned fluted hosel helps all that power sound a little smoother.
Loft: 15, 16.5, 18, 21, 24
Street Price: $250