QUAD CUT Groove: Maximizes 4 dimensions within new R&A / USGA guidelines. * Loft specific grooves: Wider shallower ?grooves on high lofts, deep narrow grooves on lower lofts. * Smooth cambered sole: More effective bounce for ease of use. * CNC Milled face: Added friction for max spin in shorter pitch shots. * Harmonic Impact Technology (HIT): Engineered for solid, pure feel.