■ The second edition of this lightweight model is designed for a lifetime of steel people. (br) Lightweight Steel Shaft for Irons (br) A popular new genre of lightweight steel ZELOS series that is lightweight and distanced, while still maintaining the feel and direction of the steel. (br) As a 2nd release, this product is now available with more weight than ZELOS7. The mainstone is large and wide enough to fly close to the carbon shaft. The lightweight construction provides excellent operability and a comfortable feel that meets the pride of steel people. Tip Diameter: 0.4 inches (9.02 mm); Weight: 2.9 oz (84 g).