Description:[K] Bold - a statement racket that not only stands out on the court, it offers exceptional power, performance and value. This racket is an all around winner. # [K]arophite Black: A proprietary next generation structure created through a unique process at the nanoscopic level resulting in more feel and a stronger more stable racket. # DOUBLE HOLE: These are bigger holes that allow for 26% string movement and create a bigger sweetspot.