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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.
| HEAD | LOFT | HAND | LIE | OFFSET | LENGTH | STEEL SW | GRAPHITE SW |
|---|---|---|---|---|---|---|---|
| 4 | 21° | RH/LH | 60.5° | 4.3mm | 38.5″ | D2 | C9 |
| 5 | 23° | RH/LH | 61° | 4.0mm | 38″ | D2 | C9 |
| 6 | 25.5° | RH/LH | 61.5° | 3.7mm | 37.5″ | D2 | C9 |
| 7 | 28.5° | RH/LH | 62° | 3.4mm | 37″ | D2 | C9 |
| 8 | 33° | RH/LH | 62.5° | 3.2mm | 36.5″ | D2 | C9 |
| 9 | 38° | RH/LH | 63° | 2.9mm | 36″ | D2 | C9 |
| PW | 43° | RH/LH | 63.5° | 2.6mm | 35.5″ | D2 | C9 |
| AW | 49° | RH | 63.5° | 2.3mm | 35.5″ | D3 | D0 |
KBS TOUR LITE
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 | 114g | 1.7° | .355″ | .600″ | Low-Mid | Low-Mid |
| R | 95g | 2.5° | .355″ | .600″ | High | High |
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 |
