ZXi7 Irons | Golf Clubs | Dunlop Sports US,ZXi7 Irons | Golf Clubs | Dunlop Sports US,The 2022 ZX7 vs. the 2020 ZX7. - The 2020 ZX7 was one of the best Srixon irons of all time, but imo the new ZX7 might be even better. In the,ZXi7 Irons | Golf Clubs | Dunlop Sports US,ZXi7 Irons | Golf Clubs | Dunlop Sports US,