Natural progression from the original ground-braking Big Bertha irons.
Low centre of gravity helps to get the ball airborne more easily with the proper trajectory and spin from almost any lie.
Unique channel running around the inside of the cavity allows Callaway's designers to create a thinner top profile - and optimise the weighting for each individual iron.
Weight around the outside to help straighten off-centre shots.
X-12 Pro Series set has less offset than the normal model – allowing better golfers to work the ball more easily.
