The Callaway Big Bertha X-12 Iron combines a set spanning 3-iron through 9-iron and a listed swing weight of D0-D2.
Callaway Golf Club Specifications
Iron • 1998 • RH/LH
Set makeup: 3-iron through 9-ironSwing weight: D0-D2
Key specifications
IronClub type
3-iron through 9-ironSet makeup
D0-D2Swing weight
Visual model specs
Built only from this model’s supplied specifications.
Iron set makeup
The supplied set spans 3-iron through 9-iron.
3IRON4IRON5IRON6IRON7IRON8IRON9IRON
Club information
| Manufacturer | Callaway |
|---|---|
| Model | Big Bertha X-12 |
| Club type | Iron |
| Release year | 1998 |
Head, loft and weighting
| Set makeup | 3-iron through 9-iron |
|---|---|
| Swing weight | D0-D2 |
Shaft, grip and setup
| Stock shaft options | Steel and graphite options |
|---|---|
| Stock grip | Callaway stock grip |
| Hand availability | RH/LH |
Construction and forgiveness
| Face / material / construction | Stainless-steel, cavity-back iron construction with Callaway perimeter weighting |
|---|---|
| MOI / forgiveness information | High-forgiveness game-improvement design with perimeter weighting and a large cavity |
Data note: Golf club specifications can vary by loft, shaft, flex, hand, set composition and market. Where the source row lists multiple configurations, the complete supplied value is retained in the tables. Representative benchmark charts normalize multi-club sets to a consistent comparison point.