Used Louisville Slugger Exogrid 2 SL11EX2 30 21.5 Senior League Baseball Bat Regular support key muscle groups and Black Silver Blue support key muscle groups and the elbow joint while helping circulation through the fingertips cracks or rattles Bat Specs: ' CNT Carbon Nanotube Technology ' Opti Flex CNT Composite handle 2 times greater than metal alloys ' Patented ConneXion technology for efficient energy transfer ' Patented IMX Integrated MatriX ' Slightly end loaded for added power Bat Specs: ' 2 5 8 Inch Barrel ' AC21 Scandium Alloy ' Carbon Composite inserts in the handle ' Free Shipping ' Internal Carbon Composite Sleeve provides greater handle stiffness ' Patented Pro Cup end cap ' Uses EXOGRID Bi Fusion Process to ensure bat functions as a single unit resulting in maximum trampoline effect and