Mizuno JPX-925 Hot Metal HL Irons Specifications
Full factory loft, lie and length chart for the Mizuno JPX-925 Hot Metal HL irons, 2024–present.
- Years produced
- 2024–present
- Category
- Super Game Improvement Irons
- Construction
- cast multi-material with a thin face and tungsten weighting
- Material
- Nickel Chromoly 4335 with tungsten weighting in the 4 to 7 irons
- Set makeup
- 4–SW
Loft, lie & length chart
| Club | Loft (°) | Lie (°) | Length (in) | Offset (in) |
|---|---|---|---|---|
| 4 | 22 | 60.5 | 38.75 | 0.26 |
| 5 | 25 | 61 | 38.25 | 0.248 |
| 6 | 28 | 61.5 | 37.75 | 0.236 |
| 7 | 31 | 62 | 37.25 | 0.224 |
| 8 | 35 | 62.5 | 36.75 | 0.197 |
| 9 | 40 | 63 | 36.25 | 0.169 |
| PW | 45 | 63.5 | 35.75 | 0.142 |
| GW | 50 | 64 | 35.5 | 0.122 |
| SW | 55 | 64 | 35.25 | 0.102 |
Lofts and lies are the factory standard build. Individual clubs may differ if they have been bent, re-shafted or re-gripped during their life.
Length note: These lengths use the USGA / R&A measuring method, which Mizuno adopted for its published spec tables with this generation. They read about a quarter inch longer than the figures Mizuno published for earlier models such as the JPX923 and Mizuno Pro 241, 243 and 245, but Mizuno states that actual club length is unchanged. Subtract 0.25 inches to compare with an older Mizuno chart.
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Loft progression
About the Mizuno JPX-925 Hot Metal HL
The JPX-925 Hot Metal HL is the high-launch model of the 2024 JPX family, built on the same Nickel Chromoly chassis and Contour Ellipse face as the standard JPX-925 Hot Metal but with lofts three degrees weaker — a 31-degree 7-iron against 28 — and the most offset in the range at 0.260 inches on the 4-iron. Unlike the previous HL generation it is catalogued from a 4-iron, running through a 55-degree sand wedge, in right hand only. Lofts, lies and lengths listed are the men's standard steel-shaft build.
Related models
Frequently asked questions
What is the loft of a Mizuno JPX-925 Hot Metal HL 7-iron?
The Mizuno JPX-925 Hot Metal HL 7-iron has a loft of 31 degrees, with a 62-degree lie and a 37.25-inch steel-shaft length.
How does the JPX-925 Hot Metal HL differ from the standard Hot Metal?
Lofts are three degrees weaker throughout — a 31-degree 7-iron against 28 — with more offset (0.260 against 0.224 inches at the 4-iron), which raises launch for moderate swing speeds.
What clubs are in the JPX-925 Hot Metal HL set?
It is catalogued 4-iron through sand wedge: a 45-degree pitching wedge, 50-degree gap wedge and 55-degree sand wedge, available in right hand only.
Where it sits in the lineup
Introduced in 2024, the Mizuno JPX-925 Hot Metal HL is a current super game improvement set in the Mizuno range as of September 2026, with no replacement announced. It replaced the JPX-923 Hot Metal HL. New sets are built to the standard lofts, lies and lengths in the chart above, though a fitting can move any of them — so confirm the numbers on the order sheet. Used sets appear on eBay, and should be measured against this chart before buying.
- Length basis: Mizuno's own specification page for the Mizuno Pro 243 (mizunogolf.com, retrieved 29 September 2026) states that Mizuno is changing its official iron measurement method to match the USGA / R&A standard and that its published lengths are consequently about 1/4 inch longer while actual club length is unchanged.
- mizunogolf.com JPX925 Hot Metal series club-specification page (manufacturer table: loft, lie, offset, length, 4-SW, RH only)
- todays-golfer.com Mizuno JPX 925 Hot Metal HL review (corroborates the high-launch positioning and 2024 launch)
- Bounce and swing weight are not published on the manufacturer specification page and are omitted
- Status check, 29 September 2026: confirmed as a current model with no replacement announced. Listed on Mizuno's irons page with no newer JPX generation (mizunogolf.com).
Last updated 29 September 2026. Spot an error? info@loftchart.com