Used Mizuno F19 Power Carbon 33 23 340471 Fastpitch Softball Bat Black Purple 2009 2 mm) Lowest Swing Weight 11 x 6 x 6:Orange 2 mm) Lowest Swing Weight Index in the 2017 Power Brigade Lineup Patented ConneXion Technology Maximizes Energy Transfer and Eliminates Vibration TCT Thermo Composite Technology cleat marks worn near the end cap and grip is dry rotting Great condition Detonator COR technology for low barrel compression Dual Frequency Dampener: 2 piece design for a great feel with less vibration Black Onyx Carbon Barrel to increase power with a shorter break in period Speed helix grip: designed to provide comfort and durability Cylinder seaming: allows for consistent performance and durability across the barrel Approved for: ASA ISA Mizuno F19 PWR CRBN