Fast, long, and forgiving, the Callaway Golf Big Bertha OS Steel Irons incorporate advanced technology to provide players with the distance and speed their games crave. Repositioned weight thanks to the Exo-Cage enhances forgiveness, while 360 Face Cup design boost ball speed for faster and more powerful plays, even when they’re off center. Comes standard with a True Temper Speed Step 80 shaft that’s ideal for players with faster swing speeds who want more feedback.
- More forgiveness and ball speed from new exo-cage technology
- Even more ball speed from next gen 360 face cup
- Higher launch for longer carry from tungsten-loaded standing wave
- Progressive center of gravity for increased control