Haraken Docus DCI 712 Irons 5-PW ( 6pcs )
2017 New JAPAN Forged Iron DCW712.
The shape suppresses sharpness specfoc to muscle back and making a volume, so it gives sence of security at address.
Moderate center of gravity design makes it easier to hold down the ball’s line with a hard hitter.
This muscle back shape is not too difficult.