New Demo Easton BB17ZS 32 29 Z Core Speed Baseball Bat 2 5 8"Black Silver DEMO 32 29:Black Silver artificial grass (long bladed synthetic fiber) W880BK8 Wmn 7 B Med Blk Slvr artificial grass (long bladed synthetic fiber) and hard ground with the Flexible Ground Outsole 10 Length to Weight Ratio 2 3 4 Inch Barrel Diameter Balanced Swing Weight Extended Speed Barrel Extremely Low MOI HYPERSKIN Grip (Thickness: 1 New 2017 Easton BB17ZS Z Core Speed Baseball Bat (Demo is written on the handle) Never hit with 2mm Hyperskin Bat Grip Balanced Swing Weight 2 5 8" Barrel Diameter 3oz Length to Weight Ratio BBCOR Certified (Legal for High School & NCAA)