Left had wedges onlycg15 zip groovesbreakthrough milling technology creates 25% bigger grooves with pristine edges. Increases “zip” and shot consistency – especially from poor lies. Cg15 laser miled(tm) facemore precise and consistent surface roughness than alternative methods. Optimal surface roughness to maximize spincg15 s solewider sole width near the heel, narrow sole width near the toe. Improves bunker performance without sacrificing versatilitylaser milled ┢using the precision accuracy of a laser, 4 perfectly calibrated texture lines are milled between each groove exactly to the conforming roughness limit. This breakthrough surface roughness application optimizes ball-to-face friction and maximizes spin under the rules of golf. Specificationsshaft option