Rawlings BBMC New BBCOR 2012 Baseball Bat (32-Inch/29-Ounce) New Technology designed with one goal in mind:To increase player swing speed with exceptional balance and feel. Precision Optimized performance Barrel Technology for championship performance levels resulting in superior balance and swing speed Bi-Fusion Composite flex handle for 2 times more handle flex than 5150 on piece alloy bats. Ph.D Technology inside and Exogrid Taper Technology outside reduces vibration and improves feel