Mitsubishi MMT Iron Shaft .355 TaperMMT Taper Irons Overview The relative of the matte finished MMT Parallel Irons, MMT Taper Iron shafts use a 355 tip and a gloss cosmetic finish. They use the same construction and materials as MMT Parallel and are available in a massive SKU range from 55 A to 125 TX. Using Metal Mesh in the tip section to inccrease stability, MMT Taper Iron shafts consistently produce the center face strikes needed for effective iron play. MMT Taper Iron shafts have