The Jennie Finch signature model fastpitch series is designed for high performance players. Mizuno's exclusive cushioned grip creates an exceptional feel with an ultra lightweight design making this bat perfect for fastpitch play. A balanced swing weight increases swing speed. Mizuno's exclusive Banzai aluminum adds strength and rebound throughout the sweet spot. 2.25" barrel with an Ultra Lightweight -11.5 Length to weight ratio. Certified for play by NSA, USSA, ISA, ASA, and ISF.