AT&T Byron Nelson
PGA TOUR Pre-Qualifying Competitions - The New Groove Rules are NOT applicable for PGA TOUR Pre-Qualifying Competitions.
PGA TOUR Open Qualifying Competitions - All equipment MUST CONFORM to Condition of Competition for Groove Specifications for PGA TOUR Open Qualifying Competitions.
Please click on the link below to search the USGA Informational Club Database or contact the USGA Equipment Standards Department to identify if your equipment conforms: USGA Information Club Database
USGA Equipment Standards Department: (908) 234-2300