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BIG BERTHA B21 Steel shafts 4-PW+AW (8 IRONS SET)

Manufacturer: Callaway
You’re looking for more distance, and these irons are here to give it to you. In fact, we’ve designed our legendary Big Bertha shaping with a NEW formula for distance and forgiveness…any way you swing it. It’s a technology package that delivers more ball speed, higher launch and straighter shots for a new level of confidence that you didn’t think was possible.
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Callaway Men's Big Bertha B21 Irons Specifications

4 Iron19°38.75"60.5°0.320"D1 Steel/D0 Graphite
5 Iron22°38.125"61.25°0.305"D1 Steel/D0 Graphite
6 Iron25°37.5"62°0.290"D1 Steel/D0 Graphite
7 Iron29°37"62.5°0.270"D1 Steel/D0 Graphite
8 Iron33°36.5"63°0.240"D1 Steel/D0 Graphite
9 Iron38°36"63.5°0.215"D1 Steel/D0 Graphite
Pitching Wedge43°35.75"64°0.185"D1 Steel/D0 Graphite
Approach Wedge48°35.5"64°0.150"D1 Steel/D0 Graphite
Sand Wedge54°35.25"64°0.125"D1 Steel/D0 Graphite
Lob Wedge60°35"64°0.100"D1 Steel/D0 Graphite


Fast Ball Speeds From The First A.I.-Designed Big Bertha Iron

Our industry-leading Flash Face Cup in each club. We’ve created high ball speeds and increased spin robustness off of every iron in the set with a sophisticated face architecture that’s unique to every loft. Ball speed is further enhanced by our 360 Face Cup that flexes and releases at impact.

Amazing Forgiveness From Legendary Big Bertha Shaping

This club profile that golfers love is engineered to give you more confidence over the ball with noticeably wider soles. For easy launch, lower spin and straighter shots, we’ve added more offset. Combined with our Flash Face Cup, we’ve developed a NEW formula for distance and forgiveness.

Higher Launch From Our Visible Tungsten Energy Core

We’ve added a significant amount of custom tungsten weighting. So we can deepen the CG in each iron with extraordinary precision, while still maintaining ball speed in the Flash Face Cup. Now you can get higher launch conditions through the set.

Pure Feel From Urethane Microspheres

Our patented urethane microspheres comprehensively absorb unwanted vibration for exceptional feel, while also maintaining fast ball speeds.

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