DeMarini M2M -12 Youth League Baseball Bat 2 1/4-Inch Barrel 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. SC4 Alloy Handle  In the M2M, the same aluminum technology is extended into the handle as well. This puts the thickness-tuned technology, right in your hands so that every ounce of your swing is transferred to the ball with the maximum feel and feedback. Half+Half Construction  American made, 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 Little League and youth players.