Wilson Staff STAFF MODEL BLADE Iron Set (4I-PW) 2025 Japanese Model. Tour-proven performance is the proof of STAFF MODEL BLADE. Irons for advanced players seeking ultimate maneuverability. FOGGED 8620 CARBON STEEL & PRECISION MILLED FACE? The forged soft iron 8620 head, made of extremely soft material, provides the feel sought by advanced players. The precision […]