TAYLORMADE P790 TI IRON SET Our Wngineers Used The Most Advanced Materials Introducing P790 Ti, the culmination of four decades of golf research. Meticulously designed with a hollow titanium body, injection and a tungsten insert, our engineers used the most advance materials available to deliver excellent ball speed and breakthrough distance. Titanium Head Titanium body (9-1-1 Ti) and machined 6-4 titanium (6-4 Ti) form a super lightweight hollow body iron designed to deliver explosive distance and forgiveness. Visible Tungsten Weighting New low profile tungsten weight designed for a lower CG and higher launch. Speedfoam Ultra light urethane foam injected inside the head to push the design limits of face speed while simultaneously improving feel.