Mizuno JPX-925 Hot Metal Pro Irons Specifications
Full factory loft, lie and length chart for the Mizuno JPX-925 Hot Metal Pro irons, 2024–present.
- Years produced
- 2024–present
- Category
- Players Distance 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–GW
Loft, lie & length chart
| Club | Loft (°) | Lie (°) | Length (in) | Offset (in) |
|---|---|---|---|---|
| 4 | 19 | 60.5 | 38.75 | 0.15 |
| 5 | 22 | 61 | 38.25 | 0.142 |
| 6 | 25 | 61.5 | 37.75 | 0.134 |
| 7 | 28 | 62 | 37.25 | 0.126 |
| 8 | 32.5 | 62.5 | 36.75 | 0.118 |
| 9 | 37 | 63 | 36.25 | 0.11 |
| PW | 42 | 63.5 | 35.75 | 0.102 |
| GW | 48 | 64 | 35.5 | 0.094 |
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 Pro
The JPX 925 Hot Metal Pro is the compact model of Mizuno's JPX 925 Hot Metal family, which Mizuno labels a "Players Speed Cavity" and aims at low to mid handicaps. It shares the standard Hot Metal's Nickel Chromoly 4335 construction, tungsten weighting low in the 4 to 7 irons and identical strong lofts, lies and lengths — 28 degrees at the 7-iron — but in a shorter head (80.9 mm blade length against 85.4 mm) with much less offset: 0.150 inches at the 4-iron against the standard model's 0.224. The set runs 4-iron through gap wedge in right and left hand, without the standard model's 54-degree sand wedge. Mizuno launched the JPX 925 line in September 2024 and retailers catalogue it as the 2025 range, so year_introduced records the announcement year.
Stock shafts
- True Temper Dynamic Gold 105 — steel
- Mitsubishi MMT — graphite
Related models
- Predecessor: Mizuno JPX-923 Hot Metal Pro
- Standard model of the same generation: Mizuno JPX-925 Hot Metal
- The forged model of the same generation: Mizuno JPX-925 Forged
- Compare: Mizuno JPX-925 Hot Metal Pro vs Mizuno JPX-923 Hot Metal Pro
- Compare: Mizuno JPX-925 Hot Metal Pro vs Mizuno JPX-925 Forged
- Compare: Mizuno JPX-925 Hot Metal Pro vs Mizuno JPX-925 Hot Metal
Frequently asked questions
What is the loft of a Mizuno JPX 925 Hot Metal Pro 7-iron?
The Mizuno JPX 925 Hot Metal Pro 7-iron has a loft of 28 degrees, a lie of 62 degrees and a length of 37.25 inches — the same as the standard JPX 925 Hot Metal.
What is the difference between the JPX 925 Hot Metal Pro and the standard Hot Metal?
Lofts, lies and lengths are identical. The Pro has a shorter head (80.9 mm blade length against 85.4 mm) and much less offset — 0.150 inches at the 4-iron against 0.224 — and its stock set is 4-GW without the standard model's 54-degree sand wedge.
Who are the JPX 925 Hot Metal Pro irons for?
Mizuno positions the Hot Metal Pro as a 'Players Speed Cavity' for low to mid handicaps who want the Hot Metal's strong-lofted distance in a more compact, lower-offset head.
Where it sits in the lineup
Introduced in 2024, the Mizuno JPX-925 Hot Metal Pro is a current players distance set in the Mizuno range as of September 2026, with no replacement announced. It replaced the JPX-923 Hot Metal Pro. 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.
- Mizuno official JPX925 Hot Metal family club-specification page, mizunogolf.com/us/golf-clubs/jpx925-series/jpx925-hot-metals/club-specification/ (live, fetched July 2026) — full Hot Metal Pro 4-GW table of loft, lie, offset and length, and the dexterity note 'RH & LH: 4-GW'. The page carries no bounce or swing weight columns, so those keys are omitted
- Mizuno official JPX925 Hot Metal family product page, mizunogolf.com/us/golf-clubs/jpx925-series/jpx925-hot-metals/ — Nickel Chromoly 4335 construction, tungsten weighting low in the 4-7 irons, the 'Players Speed Cavity' positioning for low-to-mid handicaps, and the head-length comparison (Pro 80.9 mm, standard Hot Metal 85.4 mm, HL 86.6 mm)
- 2nd Swing Golf specification table for the Mizuno JPX 925 Hot Metal Pro iron set (2ndswing.com/golf-clubs/iron-sets/mizuno-jpx-925-hot-metal-pro-iron-set) — corroborated every loft, lie and length above and supplied the stock shafts (Dynamic Gold 105 steel, Mitsubishi MMT graphite) and Lamkin UTX+ grip; shaft weights and flex ranges are not listed there, so they are omitted
- golfwrx.com '2024 Mizuno JPX 925 Hot Metal irons: GolfWRX Launch Report' — the JPX 925 Hot Metal line launched in September 2024; retailers catalogue it as the 2025 line, so year_introduced records the 2024 announcement per this database's convention
- 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