Introducing Wilson Staff D350, a set of distance clubs consisting of pure distance irons completely integrated with easy-to-hit hybrids. Equipped with Speed Sole Technology, this combo set is perfect for the golfer needing to hit the ball long and straight with easy effort. Thick toplines and wide soles help to create confidence at address while delivering high launch at impact. FST SL 80 steel shaft. UST Elements Chrome graphite shaft. Wilson Staff Tour Soft grip.