Louisville Slugger Omaha 516 -10 Big Barrel Baseball Bat. Ultimate BALANCE. Maximum CONTROL. With trusted power and championship performance the OMAHA 516 is the most proven one-piece bat and most consistent high performance bat in baseball. Made with our NEW lightweight 7U1 alloy, the OMAHA 516 delivers the right mix of undeniable power, a massive sweet spot, superior balance, maximum barrel flex, and a lighter swing weight. Features 7U1 alloy. Lizard Skins Grip. 2 34 inch barrel. 78 inch tapered handle.