PEBBLE BEACH, CA - JUNE 17: Tiger Woods reacts to missing a putt on the first hole during the first round of the 110th U.S. Open at Pebble Beach Golf Links on June 17, 2010 in Pebble Beach, California ...

What you need to know: Gearheads are very familiar with the name X Forged. Introduced in 2007, Callaway's cavity-back model was immediately adopted on tour and earned a spot in Phil Mickelson's bag.

One of the worst-kept secrets in golf equipment is finally out of the bag as Callaway is bringing its previously Japan-only X Forged ’24 irons to the U.S. market. But Callaway isn’t simply flipping ...

For the U.S. market – and even for U.S. PGA TOUR players – Callaway’s new X Forged irons have had a long and mysterious rollout, but they’ve finally arrived in retail. Originally launched to the ...