ORDERING GUIDELINES Custom items cannot be returned or exchanged ZX4 MKII IRONS ZX4 Mk II presents a sleek, narrow look at address, plus a premium forged feel Behind that clean aesthetic is maximum forgiveness plus powerful distance, all thanks to its hollow head design and extra-strong lofts MainFrame is a variable thickness pattern of grooves, channels, and cavities carefully milled into the backside of the Iron face that maximizes flex at impact Moderate sole width, our longest blade length, and our highest offset maximize the forgiveness of ZX4 Mk II hollow Irons while still offering an appealing look at address The 4i–7i feature wide grooves, ideal for longer shots in all conditions The 8i–AW have deeper, closer set grooves which cut through grass and debris to enhance spin on approach shots Laser milling between each groove, on every loft, enhances friction in all conditions Tour V.T. Sole takes turf interaction to a whole new level of detail with a proprietary combination of sole widths, bounce angles, and notches that encourages a smooth glide through fairway, rough and sand to strike the ball solidly without losing speed