The＃0 Cavity iron JCM-03Cavity VENTUS-TR Black SHAFT

In response to the "Zero-type" iron—a serious club designed for extraordinary distance—many golfers expressed a desire for a "cavity-back version of the 0-iron."

We answered this call by enlarging the head and adopting a cavity-back design, all while retaining the core specifications (12° loft, 57° lie, 8.5mm tip diameter) and the fundamental concept of achieving "personal-best distance with an iron." The result is a genuine 0-iron that is accessible to a wider range of golfers.

For the "JCM-03 Ver. ZERO," we eliminated the under-layer copper plating found on previous models, opting instead for a standard satin finish to make the unique appeal of the 0-iron accessible to more players.

Creating a "long iron that anyone can hit" without compromising distance performance reflects the uncompromising dedication of BoseIronFactory, a company with absolute confidence in its long-iron expertise.

Please note, however, that this iron is not suitable for every golfer.
Failure to strike the ball on the sweet spot (center) carries a risk of shaft breakage.
Please be aware that we cannot provide a warranty for damage resulting from such mishandling.

Head: Soft iron forged cavity-back
Loft: 12°
Lie: 57°
Grip: Features the "STM G-REX," a grip that embodies Japan's superior manufacturing technology.
Available with or without a backline.
Length: Approx. 42.5 inches (60-degree method)
Total Weight: Approx. 325g–345g
Club MOI: 2670 kg-cm²–2730 kg-cm²

Each club is assembled by hand based on MOI specifications; please allow approximately 7–10 days from order to shipment.

Please note that length and total weight may vary within the ranges specified above due to differences in shaft weight (based on flex) and grip weight tolerances. We do not specify a standard swing weight, so we cannot accept requests for specific swing weight values. As a general guide, the size is approximately C8 to D0 (please note that we do not provide specific measurements or numerical data).

Depending on the country or region of sale, customs duties or Value Added Tax (VAT) may apply.
Please be aware that these taxes are not included in the product price.

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