T100 is the modern Tour iron, played by more Pros than any other iron in the world. 3D represents Titleists approach to iron fitting: Distance control, Dispersion control and Descent angle. Creating a balance of all 3 creates an optimal level of consistency to bring your game to new heights. Titleist places an emphasis on feel in the T100 irons. A refined, fully forged dual cavity construction results in a pure, solid feel at impact. The precision CNC milled face creates more consistent contact and control to accurately attack pins.