Marucci F5 -10 USA Baseball Bat: MSBF5410USAChannel the unstoppable energy of a hurricane in every swing with this USA-Certified Marucci F5 -10 USA Baseball Bat!Bat BenefitsThe F5 is designed to cater to a wide range of batters with its one-piece, all-alloy construction. Its balanced weight distribution ensures a smooth swing, allowing hitters to generate considerable bat speed through the hitting zone.Within the F5, Marucci incorporates their Multi-Variable Wall Thickness Design F5 to enhance its sweet spot and performance. This design strategy eliminates the need for a "ring" within the barrel, a common feature in other bats used to define the sweet spot. Consequently, the F5 avoids potential dead spots, ensuring that the length of the sweet spot delivers optimal performance.This USA-rated bat will be great for use in leagues governed under USA Bat rules. As well, the drop 10 sizing is going to make it a bat that can meet the needs of many hitters as we think it could suffice for batters between the ages of 7 and 12 years old