Wilson staff d250 irons steel make this your best year of performance yet golfggeardirect is pleased to introduce the wilson staff d250 irons with steel shaft featuring the ball speed and distance improvements you experienced with the speed sole technology in the fg tour f5 irons and d200s allowing the face to flex upon impact the thin face to sole transition is particularly useful in instances where the shot is hit off the ground as the flexion is optimised for contact at the lo