*Using monomer carbon steel S20C forged, modeling streamline full of a sense of power
*The CNC milling texture of the hitting surface complies with USGA rules for softer shots and better spin
*The back of the strengthened back muscle, can let the ball instantly transfer more kinetic energy, more explosive force
*The placement of counterweight screws ensures a stable and powerful flight trajectory
*The back is covered with nano coating to form protection and higher durability