Marucci F5 BBCOR Black MCBF52 33 inch 30 oz Baseball Bat 99.95 Marucci Traditional Feel. Precise Balance. Multi-Variable Walls. The F5’s one-piece BBCOR certified alloy design gives you the balance, speed, and control to do some heavy damage at the dish. Comes with a 1 year manufacturer's warranty from Marucci. - 2 5/8 inch barrel diameter - One-piece, alloy construction - Multi-variable wall design creates an expanded sweet spot - Ring-free barrel construction - Precision-balanced barrel - Custom micro-perforated soft-touch grip - Approved for play in BBCOR - 1 year manufacturer's warranty