USGA Putter Grip Rules & Arm-Lock Golf USGA Certification
All Arm-Lock Putter Grips meet the specifications provided within 'The Equipment Rules' provided by the USGA and the R&A. All grips are conforming putter grips and are approved for Official play.
Specifically, per the latest rule book as of January 1, 2019, Part 2, Section 3, B, III: "Its cross-sectional dimensions measured in any direction must not exceed 1.75 inches (44.45 mm)". All Arm-Lock Golf Grips have a diameter of less than 1.75'' and are approved for official play.
For the full Equipment Rules of the USGA, please visit the USGA.
Explore the AL2 Putter Grip designed for Arm-Lock Putting.