Mizuno · Iron set

Mizuno JPX925 Hot Metal

Game improvement iron set. Every field below is read from Mizuno's own page (prices read 2026-09-06); a field Mizuno does not publish says so.

Specification sheet

As published by Mizuno; not published means the maker does not state it.
Maker	Mizuno
Model	JPX925 Hot Metal
Model year	not published
Type	Iron set
Category (maker's positioning)	Game improvement
Positioned for	not published
Handicap range the maker states	not published
Offset	not published
Sole width	Variable Sole Thickness (increases overall face flex area)
Moment of inertia (MOI)	not published
Face technology	CORTECH Design with Contour Ellipse face; Seamless Cup Face; Chromoly 4140M
Maker's forgiveness cues	maker: multi-material construction with tungsten positioned low in the 4-7 irons for a low sweet spot and higher launch; Balanced Stability Frame improves control while maintaining forgiveness
Set makeup	5-GW or 4-PW (7-piece set); an 8-piece set is a separate SKU
Clubs in the set	7
Stock steel shafts	Nippon NS Pro 950 NEO
Stock graphite shafts	UST Recoil Dart ESX 60 F3
Stock flexes	R (regular), S (stiff)
7-iron loft	not published
Hands	RH, LH
Line	unisex
List price (MSRP)	$1,155
Price on the maker's page	$1,155 ($1,155.00 for the right-hand 7-piece set on the product page (no sale price shown); left-hand is a separate SKU)
Price for a 7-club set	$1,155 (the maker prices the set)
Price read on	2026-09-06
Pre-owned	not checked

Every value above traces to one of these pages, read on the date shown. Open the maker's page before buying: prices and shaft options change.

https://usa.mizuno.com/golf-jpx925-hot-metal-7pc (read 2026-09-06; price, set composition, shafts, flexes, hand, gender, tech copy)
https://usa.mizuno.com/golf-jpx925-hot-metal-left-hand-7pc (read 2026-09-06; left-hand availability (sitemap listing))