Masda Golf Muscle Proto Iron 5-PW Heads Only

Introducing the Masda Golf Muscle Proto Iron by Yuki Masuda.  Forged of S25C in Himeji Japan and hand ground by Masuda-san himself these irons feature a taller heel height which moves more mass toward the neck centering the CG placement.  This iron features a straight line top leading edge with very little curve and has a semi thin top line,  overall these muscle backs are designed for soft feel and forgiveness with much of it's mass situated lower in the head.