Titleist T100 Iron SetTitleist T100 Iron Set The Modern Tour Iron Awaken Your Inner Shotmaker. The Titleist T100 is the gold standard for tour level performance. Designed for players who demand precision, consistency, and buttery forged feel, the T100 delivers on every shot. With a fully forged construction, aggressive grooves in the mid and short irons, and improved launch characteristics in the long irons, its built to inspire complete confidence from tee to green.