Performance
Lower CG is intended to improve launch and flight-window efficiency.
Sub 70 performance, selected by Grater Golf
Forged muscle-back iron
Why this model stands out
Lower CG is intended to improve launch and flight-window efficiency.
Compact blade proportions retain full trajectory and shot-shape control.
Clean topline and forged construction deliver a traditional players-iron experience.
Club overview
| Brand | Sub 70 |
|---|---|
| Model family | TAIII v2 MB Irons |
| Club category | Forged muscle-back iron |
| Grater Golf listing type | .355 taper-tip iron component |
| Construction | Tour-inspired muscle-back design developed with Tommy Armour III, with a lower center of gravity and refined topline for modern ball-flight demands. |
| Official specification note | Taper-tip component listing; individual iron availability is defined by the selected option. |
Compare the loft, lie, offset, bounce, head weight and standard playing length across the complete iron set.
| Head Number | 4 | 5 | 6 | 7 | 8 | 9 | PW |
|---|---|---|---|---|---|---|---|
| Loft | 22Β° | 25Β° | 28Β° | 32Β° | 36Β° | 40Β° | 45Β° |
| Lie | 60Β° | 60.5Β° | 61Β° | 61.5Β° | 62Β° | 62.5Β° | 63Β° |
| Offset | 2.4 mm | 2.2 mm | 1.9 mm | 1.8 mm | 1.7 mm | 1.5 mm | 1.3 mm |
| Bounce | 1Β° | 2Β° | 3Β° | 4.5Β° | 5Β° | 6Β° | 7Β° |
| Head Weight | 249 g | 256 g | 263 g | 270 g | 277 g | 284 g | 292 g |
| Standard Length β Steel | 38.5" | 38" | 37.5" | 37" | 36.5" | 36" | 35.75" |
| Standard Length β Graphite | 39" | 38.5" | 38" | 37.5" | 37" | 36.5" | 36.25" |
4.3 mm
76 mm
6-Iron
DT-4 Steel
Brushed Satin
.355" Taper
Top-line width and blade length measurements are based on the 6-iron. Standard playing length varies according to the selected steel or graphite shaft. Specifications are subject to normal manufacturing tolerances.
Advanced ball-strikers who value workability, compact shaping, controlled flight windows and detailed impact feedback. A fitting remains the best way to confirm loft, lie, shaft, length and set makeup.
Tour-inspired muscle-back design developed with Tommy Armour III, with a lower center of gravity and refined topline for modern ball-flight demands.
Before ordering
Build with confidence
Weβll help confirm the model, handedness, loft, shaft compatibility and assembly plan.
Product design information referenced from Golf Sub 70. Manufacturer specifications and availability can change.
Free standard shipping on most orders $100+ within the contiguous U.S. Eligible items may be returned within 30 days. Custom, modified, cut, installed, and made-to-order products may be final sale.