Overview
The Ultimate Muscleback
Inspired by the iconic blades of Mizuno past โ evolved to be more playable through incremental refinements in shape and weight placement. Bevelled for the appearance of a shorter face profile and narrower top line โ without loss of mass in the upper blade. With dramatically more compact scoring irons than its predecessors. Grain Flow Forged in Hiroshima, Japan, with a soft copper underlay for a uniquely satisfying Mizuno sensation at impact.
Features
FORGED IN HIROSHIMA JAPAN:
One-piece Grain Flow Forged HD from 1025E Pure Select mild carbon steel at Mizuno’s iconic facility in Hiroshima, Japan โ where Mizuno irons have been produced since 1968.
SOFT COPPER UNDERLAY:
A microlayer of copper beneath Nickel Chrome โ for the purest, softest feel made famous in the legendary TN87. Reintroduced in 2019.
THICKER BEHIND IMPACT:
Mass relocated from the heel area to muscle pad produces a slightly muted sound preferred in our ‘blind’ tour tests.
SHORTER & MORE COMPACT APPEARANCE:
Shrewdly bevelled to deliver the appearance of a thinner top edge and shorter head length โ without loss of playability.
CONTROLLED SHOT SHAPING:
Mizuno’s shortest CG / shaft axis is consistent from 3-PW, allowing controlled fades and draw feels right through the set.
NOTICEABLY SMALLER SHORT IRONS:
Following feedback from the tour, 8-PW are dramatically reduced in size โ with a heavily taped upper blade to control trajectory.
Specifications
| Club | 3i | 4i | 5i | 6i | 7i | 8i | 9i | PW |
| Loft Range | 21ยฐ | 24ยฐ | 27ยฐ | 30ยฐ | 34ยฐ | 38ยฐ | 42ยฐ | 46ยฐ |
| Lie | 59.5ยฐ | 60ยฐ | 60.5ยฐ | 61ยฐ | 61.5ยฐ | 62ยฐ | 62.5ยฐ | 63ยฐ |
| Length | 39″ | 38.5″ | 38″ | 37.5″ | 37″ | 36.5″ | 36″ | 35.5″ |
| Hand | RH only | RH only | RH only | RH only | RH only | RH only | RH only | RH only |





















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