You’re looking for more distance, and the Big Bertha B21 Irons are here to give it to you. In fact, Callaway designed their legendary Big Bertha shaping with a NEW formula for distance and forgiveness...any way you swing it.
Features of the Callaway Big Bertha B21 Irons:
A.I. Flash Face Cup
High ball speeds and increased spin robustness from Callaway's industry leading A.I. Flash Face Cup. Ball speed is further enhanced by the 360 Face Cup that flexes and releases at impact.
Big Bertha Shaping
A club profile that's engineered to give you more confidence over the ball with noticeably wider soles. For easy launch, lower spin and straighter flight, Callaway added more offset into the head.
Tungsten Energy Core
Now you can get higher launch conditions through the set. Callaway added a significant amount of custom tungsten weights, so they can deepened the CG with extraordinary precision wile still maintaining high ball speeds.
Urethane Microspheres
The patented urethan microshperes comprehensively absorb unwanted vibration for exceptional feel, while also maintaining fast ball speeds.
Specifications of the Callaway Big Bertha B21 Irons: