"With our new RIBCOR technology, the M4 unlocks a new level of consistency and accuracy in a product designed to be the longest in our irons lineup. Combined with our thinnest face (1.5mm), our ultra-thin leading edge, and our thin-walled Speed Pocket, M4 iron produces golf shots that are not only long, but incredibly straight."
Tomo Bystedt – Senior Director – Product Creation
M4 Graphite Irons:
Next generation straight distance
Max-COR design
Ribcor technology
15 gram high density weight
Ribcor Technology
RIBCOR localizes face flexibility in the hitting area, transferring more energy to the ball to increase distance and forgiveness. It also stiffens the perimeter of the head creating a more rigid structure, enhancing sound and feel. RIBCOR mitigates toe flexibility for tighter dispersion
More forgiveness
The ultra-thin leading edge works in conjunction with the Speed Pocket to increase speed on low-face shots. Optimized heel and toe weighting provides a significant increase in MOI vs. M2 '17, resulting in more forgiveness
More distance
Fluted Hosel and 360º undercut allows for redistribution of mass low in the head to increase launch, distance and consistency
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