Louisville Slugger Prime 918 USA T Ball Bat -12.5 2 1/4 24in The new Prime 918 (-12.5) Tee Ball bat from Louisville Slugger is the most complete bat in the game and the perfect choice for the young player stepping into the box for his first swings. Make every swing count and find your bat from the most trusted lineup in the game: Louisville Slugger. Features: Meets new USA Baseball standards 1-piece Performance Alloy 2 1/4" youth barrel for a lighter design and faster swing speed New fade synthetic grip Only for use with approved tee balls