MARUCCI CATX SENIOR LEAGUE -10 USSSACATX SENIOR LEAGUE 10 Finely tuned barrel profile creates more surface area and higher overall performance, while a more balanced design creates faster swings. Designed for a smooth, solid feel during contact by adding the optimal amount of liquid gel in the knob to reduce and absorb vibrations like never before. Tightened Production Tolerances: allow barrel diameters to be built to the maximum limit, creating more surface area and higher overall