DeMarini 2014 Stadium End-Load Cl22 WTDXST2 Softball Bat 4.ONE Barrel - designed for maximum stiffness and explosive performance SC4 Alloy Handle - Our stiffest aluminum handle, perfectly tuned to the 4.ONE barrel to provide one-piece feel with Half+Half technology Big D End Cap - Stiff end cap designed to increase the end load and keep the power in the sweet spot