Mizuno MZMC243 Maple Carbon Composite Wood Baseball Bat (33 inch) : Mizuno MZMC243 Maple Carbon Composite uses advanced engineering to combine a maple composite hitting surface, reinforced carbon wrapped handle and taper for durability, and a sanded carbon handle for better grip. This BBCOR certified bat has an incredibly light swing weight in large part to the lightweight Tilia wood core for a great feel. This bat has the feel and performance of solid maple, but with consistent performance and maximum durability. Backed by a 120 day manufacturer's warranty. Advanced Engineered Maple Carbon Composite 120 Day Manufacturer's Warranty Sanded Carbon Handle for Better Grip Incredibly Light Swing Weight BBCOR Certified.