Marucci Echo DMND2 Alloy -10 Fastpitch Softball BatMarucci Echo DMND2 Alloy 10 Fastpitch Softball Bat Validated by athlete data and ready to make waves. This one piece composite is built to give you a consistent swing with higher performance out of the wrapper, while the liquid gel knob absorbs vibrations more efficiently for reduced impact on the hands. With no dead spots, its everything you need to hammer the ball and make it echo. One Piece Composite Construction: clean, consistent, traditional