Who ever said a narrow soled design cant be forgiving? The slim profile was carefully selected based on feedback accumulated over years from numerous golfers who didnt want to have that chunky appearance when setting the club behind the ball. Yet these very same players still demanded all the most modern game-improvement features at their disposal to help them lower their scores. From the non-glare topline to the generous offsets allows for the majority of todays players to hit both solid and straight shots to inspire confidence in their game. The Standard Acer XK model could soon be the standard in the industry. Manufactured of 431 stainless steel.