Aiskaer Golf Club Groove Sharpener Tool with 6 Cutters - Apply the Latest U and V Groove,easily Removed Sediment in the Groove Aircraft Aluminum Body, Hardened Tool Steel Tip, knurled handle for better grip. 6 cutter heads with two different cutting types,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. Complies with USGA and R&A regulations Weighs only 0.07 pounds, length of only 4.3 inches, Very convenient to carry