ZX4 Mk II Irons present game improvement forgiveness for mid- to high- handicap players. Behind the Irons' sleek address looks and premium forged feel is maximum forgiveness plus powerful distance. And it's all thanks to a hollow head design with extra-strong lofts. Featuring a narrow topline, moderate sole width, our longest blade length, and our highest offset.
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WINNER
2024 Golf Digest
Hot List Gold Medal
MAKE IT YOURS
Add Personalization
to Match Your Style
New ZX Mk II Irons are a culmination of fast and pure. A pure feeling at impact, for purer strikes, and a pure sound. With tech-driven ball speed in every number, energizing every shot.
Technology
MAINFRAME
MainFrame is a variable thickness pattern of grooves, channels, and cavities carefully milled into the backside of ZX4 Mk II, ZX5 Mk II, and ZX Mk II Utility Iron faces that maximizes flex at impact. MainFrame not only boosts COR, it also repositions mass away from the face and into the toe and sole for a lower Center of Gravity. This creates more than just faster ball speed, but also more consistency and forgiveness, enhancing all aspects of your Iron play, shot for shot.
TOUR V.T. SOLE
Our dynamic Tour V.T. Sole helps maintain clubhead speed through impact for clean strikes across fairway, rough and sand—even if you contact the turf slightly behind the ball. A higher bounce on the leading edge prevents digging; then, a lower bounce on the trailing edge curves away from the turf, so you can still manipulate face angle for maximum workability.
PROGRESSIVE GROOVES
The 4i–7i feature wide grooves, ideal for longer shots in all conditions. The 8i–AW have deeper, closer set grooves which cut through grass and debris to enhance spin on approach shots. Laser milling between each groove, on every loft, enhances friction in all conditions.
MODEL COMPARISON
PLAYERS WORKABILITY
A players Iron with tour-preferred looks and the pure feel of a forged blade, offering total control on every shot.
ENHANCED DISTANCE
The perfect union of razor-sharp looks, power, and playability—combining premium forged feel with distance technology.
MAX FORGIVENESS
Presents a sleek, narrow look at address, plus forged feel. But behind that clean aesthetic is hollow-Iron forgiveness.
LONG-IRON REPLACEMENT
A tour-proven long Iron alternative, featuring control and elevated launch in a forged, hollow design.
Handicap
Low
Low-Mid
Mid-High
Low-Mid
Forgiveness
Low-Mid
Mid-High
High
High
Trajectory
Mid
Mid-High
Mid
High
Workability
High
Mid-High
Low-Mid
Mid
Distance
Mid
Mid-Long
Long
Long
ZX MK II COMBINATION SET GUIDE
Fine-tune your Irons lineup by custom ordering one of our acclaimed Combination Sets. Dial in your long and short Irons by blending the models that fit your swing, your strike, and your playstyle. Each ZX model features differing degrees of workability, launch height, and forgiveness—but they all share a singular design language and identical topline widths, making for seamless mixtures.
MAX FORGIVENESS
ZX4 + ZX5
More forgiveness to help score your best. This combo set of cavity back short and hollow long Irons is perfect if you prefer to attack the pin head-on. Ordered as custom, suggested sets are 4i–6i or 4i–7i in ZX4, and 7i–PW or 8i–PW in ZX5. Other combinations are also available.
The best of both worlds. The ZX5 + ZX7 set is an uncompromising combination of distance in your long Irons and workability in your short Irons. Ordered as custom, suggested sets are 4i–6i or 4i–7i in ZX5, and 7i–PW or 8i–PW in ZX7. Other combinations are also available.
This combo set is the most popular with our professional tour staff due to its extremely forgiving long Irons and highly workable short Irons. ZX Utilities are available in 2i–4i and usually selected by players seeking more forgiveness over traditional long Irons.
For the player who seeks ultimate workability but still appreciates slight forgiveness in their long Irons, this combo set provides bladed short Irons and players long Irons for unmatched feel and control. Ordered as custom, suggested sets are 4i-6i or 4i-7i in ZX7, and 7i-PW or 8i-PW in Z-Forged II. Other combinations are also available.
The KBS Tour Lite shaft helps ZX4 and ZX5 Irons deliver a strong launch, increased spin, and a soft landing. This mid weight shaft design promotes an easy swing tempo and satisfying follow-through while taking full advantage of each Iron’s distance-boosting technologies.
FLEX
WEIGHT
TORQUE
TIP DIAMETER
BUTT DIAMETER
LAUNCH
SPIN
S
100g
2.3°
.355"
.600"
High
High
R
95g
2.5°
.355"
.600"
High
High
UST MAMIYA RECOIL DART 65
UST Mamiya’s Recoil Dart shafts now come standard as a graphite offering for ZX5 Mk II, ZX4 Mk II, and ZX Mk II Utility Irons. The new DART technology (Dual Action Recoil Technology) helps provide greater overall consistency, an optimal feel at impact, increased ball velocity, and precise ball flight for all golfers.
FLEX
WEIGHT
TORQUE
TIP DIAMETER
BUTT DIAMETER
LAUNCH
SPIN
R (F3)
64g
5.2°
.355"
.600"
High
High
A (F2)
61g
5.2°
.355"
.600"
High
High
STEEL NIPPON NEO 950
FLEX
R, S
DIAMANA ZX GRAPHITE IRON SHAFT
FLEX
WEIGHT
TORQUE
TIP DIAMETER
BUTT DIAMETER
LAUNCH
SPIN
S
64.5g
3.6°
.362"
.600"
Mid
Mid
R
61g
3.7°
.362"
.594"
Mid
Mid
FLEX
R, S
GOLF PRIDE TOUR VELVET 360
The #1 choice of the world’s best for years, Golf Pride Tour Velvet 360 Grips are stock for each ZX Iron. The 360 variant has less intrusive logos, a state-of-the-art rubber-blend compound, and a nonslip surface pattern for maximum playability.
SIZE
CORE
WEIGHT
Standard
.580"
52g
RECEIVE FREE ARCCOS SENSORS AND ARCCOS CADDIE TRIAL
Tracking your data leads to better decisions and lower scores. That’s why we’ve partnered with Arccos, the game’s most complete on-course tracking system that helps you play smarter and improve faster.
Purchasing this club gives you free access to Arccos Smart Sensors and Caddie. Look in your Email inbox following your purchase for details on how to redeem.
CUSTOM SHAFTS
CUSTOMIZE WITH WORLD-CLASS SHAFTS
To play like the best, you need gear built with the best components available. Upgrade your new ZX Mk II Irons with one of the many premium shafts available in our extensive catalog. Match your swing to the weight, feel and flex that'll maximize your distance and accuracy across the course. Click "Custom Build" above to explore all your options.
Additional options available. Inventory may vary.
CUSTOM GRIPS
UPGRADE TO YOUR FAVORITE GRIP
A bevy of custom grip choices ensures you have the freedom to personalize your Irons down to the smallest detail, usually at no additional cost. Cord, non-cord, standard and jumbo sizes are all available in our extensive custom grips catalog. Click "Custom Build" above to explore all your options.
Additional options available. Inventory may vary.
CUSTOM BUILD OPTIONS
LENGTH ADJUSTMENT*
(Increments of 1/4")
LIE ADJUSTMENT
(Increments of 1°)
LOFT ADJUSTMENT
(Increments of 1°)
SHAFT STEPPING
GRIP AND WRAPS
-2" to +2"
-3° to +3°
-2° to +2°
• Hard Step
• Soft Step
• 1 to 3 Wraps • 1 to 3 Extra Lower Wraps • Grip Upside Down • Grip Upside Down + 1 to 3 Wraps • Uninstalled / In Box
-2° to +2°
-1" to +1 1/4"
*Any 1/2" overlength custom order on right handed ZX7 Mk II Irons, ZX5 Mk II Irons, or ZX4 Mk II Irons is built with a 2–4g lighter clubhead.
CUSTOM PAINTFILL
A brand-new, customizable option available for Srixon ZX Mk II, now you can personalize any Iron set and Utility Irons. Choose from 20 paintfill colors and three Color Group areas.
COMPARE IRON SHAPE
SHAPE CHANGES FOR ZX MK II IRONS VERSUS LAST GENERATION:
All toplines are now the same thickness
ZX4 has thinner soles and longer blade lengths
ZX5 has thinner soles
ZX Utility has wider soles
Tour-level and low-handicap players prefer the thin topline, narrow sole, short blade, and minimal offset.
A wider sole with moderate blade length and offset provide both distance and forgiveness.
Moderate sole width, longest blade length, and highest offset. Our strongest lofts promote a piercing launch with enhanced distance and rollout.
Our widest soles, combined with minimal offset, make these forgiving long Irons professional favorites.
IRON
4i
7i
PW
BLADE LENGTH (mm)
ZX7
76.5
77.2
77.7
ZX5
78
78.5
78.6
ZX4
80.6
80.9
80.9
ZX UTILITY
79.2
TOPLINE THICKNESS (mm)
ZX7
6.0
6.0
6.0
ZX5
6.0
6.0
6.0
ZX4
6.0
6.0
6.0
ZX UTILITY
6.0
HOSEL OFFSET (mm)
ZX7
3.3
2.8
1.7
ZX5
4.0
3.2
2.3
ZX4
4.3
3.4
2.6
ZX UTILITY
3.5
SOLE WIDTH (mm)
ZX7
15.1
15.1
15.5
ZX5
17.6
17.6
19.4
ZX4
20.0
20.7
22.3
ZX UTILITY
22.5
Loft Comparsion
Head
2
3
4
5
6
7
8
9
PW
AW
ZX7 Mk II Irons
-
20°
22°
25°
28°
32°
36°
41°
46°
51°
ZX5 Mk II Irons
-
20°
22°
24°
27°
31°
35°
39°
44°
50°
ZX4 Mk II Irons
-
-
21°
23°
25.5°
28.5°
33°
38°
43°
49°
ZX Mk II Utility
18°
20°
23°
-
-
-
-
-
-
-
Length Comparsion
Irons
39"
38.5"
38"
37.5"
37"
36.5"
36"
35.5"
35.5"
Utility Graphite
40"
39.5"
39"
-
-
-
-
-
-
-
Utility Steel (Custom)
39.5"
39"
38.5"
-
-
-
-
-
-
-
Reviews
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