YAMAHA inpres DRIVESTAR Regular Flex Wood Golf Club Set, Right Handed

Unique advanced technology for higher kick velocity boostbox: the combination of boostring technology that consolidates the area near the face into a fixed ring-shaped structure and speedbox structure that increases the rigidity around the face perimeter. That inhibits excessive vibration during impact, which transfers impact energy into kick velocity to a maximal degree. The rules-limit-class transverse moment of inertia 5,570g・cm² was achieved with a unique counterweight system that optimally places a total of approximately 25g of weight on the toe, back, and heel around the center of gravity. Even if the ball is not hit at the ideal contact point, straight-line stability and the kick velocity of the ball are maintained to produce an impressive fight distance and trajectory consistency. The rules-limit-class transverse moment of inertia 5,570g・cm² was achieved with a unique counterweight system that optimally places a total of approximately 25g of weight on the toe