The m5 putter is the largest mallet in the line of mSeries. Ultimate weapon for golfers who prefer a more forgiving mallet and the perfection of mSeries. Alignment benefits of RifleScope Technology (RST). The m5w is offset version. Toe hang 60 degrees down on m5, less on the m5w. 100% milled stainless steel, with milled aluminum back cavity insert behind the face for enhanced feel and enlarged sweet spot. Platinum finish.