●HIGHEST QUALITY METAL TOOL - Groove Sharpener Tool made from high-grade precision tool Vacuum Heat Treated Steel with a maximum hardness of 65 Rockwell for maximum durability and effectiveness, and make the groove sharpener durable and comfortable to use. ●REPLACEMENT FOR YOUR CLUBS:6 Heads with two different cutting ends, 2 for U-shape and 4 for V-shape, you choose which one to use. The knurled aluminum surface and non-slip grip, avoiding sliding in the hand. ●IMPROVE BALL CONTROL - cleaning and re-shaping your clubs grooves will improve your ball control and increase the amount of backspin you impart on the golf ball. Re-grooving your clubs helps prolong their life. ●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. ●FITS YOUR CLUBS -Perfect for Adams, Callaway, Cobra, Cleveland, Nike, Ping, TaylorMade, Wilson, and other Leading Irons, including Sand Wedges, Lob Wedges, Gap Wedges, Approach Wedges, and other Golf Utility Clubs.