New Mizuno 340451 Silhouette 13 Fastpitch Softball Bat White Blue Black 29 16:White Blue Black Designed specifically to be used 12 panel design for Designed specifically to be used with the JUGS Lite Flite Machine Their sponge like texture makes them safe for indoor hitting without a batting cage Throws true 2 1 4" Barrel Zone: creates a massive sweet spot by adjusting composite angles in 10 specific zones across the barrel Double wall: gives you higher peak performance right out of the wrapper with a larger sweet spot for more power and forgiveness 2 piece link: significantly reduces vibrations to the hands to give you the amazing feel of solid contact every at bat Cylinder seaming: allows for consistent performance and durability across the barrel ASA ISF approved