KHT technology isn't just for drivers. Dumina iron shafts bring the same weight savings, tighter dispersion, and effortless feel to your scoring clubs — from 4-iron to pitching wedge.
Full KHT construction in an iron profile. 3 models (SF305–SF505) from 47-53g. Lighter weight for more clubhead speed through the set.
Gen-2 KHT in an iron profile. 3 models (SF405–SF505x) from 47-54g. Softer feel with enhanced impact performance.
| Model | Weight (g) | Swing Weight | Swing Speed | Tip |
|---|---|---|---|---|
| SF305 | 47 | D0-D2 | 75-90 mph | .370 |
| SF405 | 50 | D0-D2 | 85-100 mph | .370 |
| SF505 | 53 | D0-D2 | 95-105 mph | .370 |
| Model | Weight (g) | Swing Speed | Tip |
|---|---|---|---|
| SF405 | 47 | 85-100 mph | .370 |
| SF505 | 52 | 95-105 mph | .370 |
| SF505x | 54 | 105-110 mph | .370 |
Visit an authorized Dumina fitter to get custom-fitted for the right iron shafts.