6 HEAD GOLF CLUB GROOVE SHARPENER - BEST ON THE MARKET. Perfect for Improving your Backspin and Ball Control just like the PGA Tour Professionals. Fantastic results on both V and U (square) grooves. Official USER OPERATING MANUAL provided upon order shipment if ordered from 5 Star Brands.

6 CUTTER HEADS WITH TWO DIFFERENT CUTTING TYPES, 3 for U type club grooves and 3 for V type grooves. PERFECT FOR ADAMS, CALLAWA, COBRA, CLEVELAND, NIKE, PING, TAYLOMADE, TITLEIS, WILSO, 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.

PACKAGED IN CLEAR PLASTIC SAFETY TUBE FOR EASY STORAGE and shipped inside protective foam bag for ultimate cover protection in golf accessories.

IMPORTANT: Unapproved sellers do not offer complete product, packaging, instruction manual, or customer service of products under the Specialty Golf Products brand. If it isn't sold by 5 Star Brands, it isn't authentic.