P790 Irons You Don't Mess With What Works. You Make It Better. P790 irons pack powerful performance into a clean, classic design to deliver breakthrough distance is a players iron. Through a combination of forged construction and our revolutionary SpeedFoam Technology, golfers will experience feel, forgiveness, and workability unlike any iron of this caliber. Forged Hollow Body Construction Consists of a thin, wrap around forged 4140 face and soft carbon steel body designed to deliver explosive