WOOD Ash BARREL Medium. 1 Inch Handle Approximate -2 to -3 Length to Weight Ratio and Ash Wood. Cupped End Flame Treated Finish. Medium Barrel Professional Grade Turning Model M110. For over 125 years Louisville Slugger has dominated Major League Baseball. Still to this day, more teams and players swing Louisville Slugger than any other brand. The Pro Stock Series of wood features the same grade bat that is used in the pros. Made from ash wood these bats are have a solid, yet lightweight feel.