DeMarini Vendetta -9 Senior League Baseball Bat with 2 5/8-Inch Barrel Long Barrel Design  The Long Barrel design Maximizes the bats hitting surface by expanding the barrels area of contact to have the biggest allowable diameter. SC4 Alloy Barrel  DeMarinis proprietary aluminum extrusion provides a thickness tuned wall that reaches down the entire length of the barrel to create a wicked sweet spot that can stand up to each crushing blow. Internal Rails Hybrid Handle  The vibration reduction of the Rails system turns the entire barrel into one big sweet spot. Its constructed with two distinct materials Half+Half Construction  This two-piece hitting system was introduced by DeMarini to create a large, more responsive sweet spot by silencing vibration, flexing before impact and re-coiling with a burst of ball launching energy Great bat for travel and senior leagues. A softer outer material that cushions impact along with strategically inserted support rails that add stiffness to maintain a consistent and optimal swing.