Demarini Vexxum-10 Baseball Bat From the hottest fires forges the strongest metals: X10 Alloy. Time to turn up the heat and light up the scoreboard. Long, stock, and a long smoking barrel: Longbarrel. Inch by inch, DeMarini's Longbarrel design enlarges the sweet spot. As if it needed an exclamation point: N2M End Cap. There is always a little extra room to pack in some more domination.