These listings identify golf balls and clubs that have been evaluated for conformance to the Rules of Golf as established by the USGA and The R&A in St. Andrews, Scotland.
The List of Conforming Driver Heads and the List of Conforming Golf Balls operate as Model Local Rule G-1 and G-3, respectively, for professional events, all USGA championships and selected amateur competitions throughout the world.
List of Conforming Driver Heads
Informational Club Database (Grooves)
List of Conforming Golf Balls