Mizuno Bettinardi C-06 Putter. New for 2006. Since 1990 Robert J. Bettinardi's putters have earned a reputation for extraordinary feel and precision. Milled from a single block of metal each Bettinardi is an engineering masterpiece. The C-Series is designed for the player that prefers the feel and appearance of a more traditional head shape. The C-Series consists of putters that are 100% precision milled from 11L17 Carbon Steel. The C-Series - C for Carbon - features a more traditional, recognized head shape in a variety of styles to fit the preferences of any golfer.