Barrel Diameter: 2 1/4 Inches BALISTK Youth Go BALISTK™ & Get The Best of Both Worlds! A Groundbreaking One Piece Dual Design. Fusing the Best of Composite and Alloy into the Performing Round Handle Bat for Maximum Performance, Unmatched Durability and Ultimate Feel! - Traditional Round Handle - Alloy + Composite DUAL DESIGN - 100% Composite Full Length Frame for Ultimate Feel - Full Metal Jacket Alloy Barrel Shell for Undeniable Performance and Durability - Tru Balance™ Weighting Technology - Massive Extended Barrel - Vibration Reduction System - Integrated Composite End Cap Drop: -12 Meets BPF 1.15 Standard Approved for All Youth Associations