Combat B3SL1-8 Senior League Baseball Bats Technologies: - Precision Molding Technology - Blended Fiber Technology - Anistrophic Composite Technology - Variable Stiffness Technology - Nanocamp Technology Inside - 100% Composite Construction Description: - Ultra Long Barrel -8 Drop - 2 5/8 Diameter Meets the baseball BPF 1.15 standard, and is certified by USSSA, including their latest 2012 USSSA BPF 1.15 Finger Print mark Bat Size/Weight Chart -8 DROPLENGTH28 29 30 31 32 WEIGHT20oz21oz22oz23oz24oz