Golf Groove Sharpener with Blade Cutter Fit Iron Sets and Wedge Clubs - SummerHouse - Re-Grooving Cleaning Tool Accessories --3V&3U CUTTING TYPE, 3 for U type club grooves and 3 for V type grooves. PERFECT FOR ADAMS, CALLAWAY, COBRA, CLEVELAND, NIKE, PING, TAYLORMADE, TITLEIST, WILSON, and other Leading Irons, including Sand Wedges, Lob Wedges, Gap Wedges, Approach Wedges, and other Golf Utility Clubs. --HIGHEST QUALITY METAL CONSTRUCTION, made from high grade precision tool vacuum heat treated steel, measuring 60 on the Rockwell hardness scale, for maximum durability and cutting effectiveness. Precision ground and engineered to exacting tolerances to ensure that it does not compromise USGA rules regarding groove width and depth. --Lightweight and portable tool - Package in clear plastic safety container for easy storage,complete with a tube case to store it and weights only 1.6oz and 4.4inch long you can definitely bring this groove sharpener to all of your golf sessions.