The MP-T4 wsa designed with input from Luke Donald and other Mizuno® Staff Pros, to be the most versatile high-spin wedge on the market. For the ultimate in feel where it counts, the MP-T4 wedges are Grain Flow Forged from 1025E "Pure Select" mild carbon steel. Mizuno®'s high-spin Quad Cut Grooves combine with the innovative "DG Spinner" shaft to maximize spin for ball stopping power. A newly designed and more playable sole features aggressive heel and toe relief for consistent shot making from any lie. The teardrop head shape is made for a perfect scoring wedge.