TruGroove Golf Club Groove Sharpener - Improved Backspin and Ball Control - Wedges and Irons - with 2 Free Color Matched Ball Markers - Made in USA Do not replace irons and wedges. Re-groove them and extend their life with our grove sharpener Works on both U-grooves and V-grooves on all irons, wedges and utility clubs Aircraft Aluminum Body, Hardened Tool Steel Tip, Extra long 4.5 inch knurled handle for better grip Complies with USGA and R&A regulations 100% USA made