Traditional Feel. Precise Balance. Multi-Variable Walls. The USA Baseball certified F5 features a one-piece alloy design that gives you balance, speed and control to do some heavy damage at the dish. One-Piece Alloy Construction: clean, consistent, traditional swing feel Multi-Variable Wall Design: expanded sweet spot with high durability Ring-Free Barrel Construction: offers greater performance with no “dead” spots Micro-Perforated Soft-Touch Grip: soft and tacky grip for improved feel and control USA Baseball Certified: approved for AABC Baseball, Babe Ruth & Cal Ripken Baseball, Dixie Youth Baseball, Dixie Boys Baseball, Little League , Pony Baseball, NABF and Dizzy Dean Baseball The F5 comes standard with a gray 1.75mm grip Grip weight and manufacturing tolerances may cause slight deviation from the listed weight 2 5/8” barrel diameter Marucci F5 (-10) USA Baseball Bat - 2024 Model Size 31in./21oz