The Tour Striker Pro X 7 iron steel is designed for a serious golfer who seeks optimum performance & wants to take their game to the next level. Its construction is identical to that of the Tour Striker Pro, except for the more challenging sweet spot size, which is a quarter. Regardless of your swing style or shape, the Tour Striker Pro X 7 iron will help improve your ball striking & add lag & club head speed to your swing. If you are aiming for more solid golf shots & increased distance, the Tour Striker Pro X 7 iron steel is the perfect option for you.