The HPP 325/330 are conform to the official rules of Golf and are authorized for tournament play. This was confirmed in 2003 by the Royal and Ancient Golf Club of St. Andrews (R&A), Scotland and the USGA (United States Golf Assocciation).

 

 

StAndrewsHPP325.jpg

StAndrewsHPP330.JPG

USGA325.pdf

USGA330.pdf