Callaway Big Bertha 06 Irons (Steel, 4-SW) If your looking for a solid, game improving iron set that provides a proven combination of forgiveness and style then the Callaway Big Bertha irons are the perfect choice for you. The big Bertha irons are made up of a combination of powerful technologies featured in different Callaway models. The S2H2, Tru-Bore and VFT are part of the DNA that creates this game improving iron that keeps getting better and better with every round. Amazing Notch weighting, deeper 360 degree undercut channel and a constant width sole complete this extremely forgiving and beneficial iron that only performs to the best of its ability.The Big Bertha technology behind the 360 Degree Undercut makes the clubhead more stable through the impact zone for superb delivery which is increasingly forgiving on off centre hits for added consistency within your game. Combined with the constant width sole that perfects turf interaction for an easy, smooth strike for the precise shot accuracy your game desires. The Big Bertha 06 irons are excellent irons for mid-high handicappers who want to take their game seriously and make instant improvements from a variety of lies.Traditional looking irons that are attractive and practical at address which inspire great belief that you’re going to make a positive impact. Purchase the Callaway Big Bertha 06 Irons and improve your overall game, reducing scores and building confidence taking your game to the next level.