MARUCCI CAT8 CONNECT BBCOR - WHITECAT8 CONNECT BBCOR Power hitters love the end loaded feel and ultra responsive barrel of the CAT8 Connect BBCOR, a two piece hybrid bat featuring a power loaded barrel built with AZ105 super strength aluminum alloy. The patented SDX EXT connection (US Patent No. 10,016,667) increases stiffness to maintain energy transfer to the ball, while also dismissing negative vibrations to the hands, resulting in maximum power and minimum sting. AZ105 alloy, the