Marucci Cat7 -8 Baseball Bat 31 inch 23 oz MSBYC78-3123

  Az4x alloy construction provides increased strength and a higher response rate. One-piece alloy construction provides a clean consistent traditional feel More responsive optimized barrel design creates a sweet spot twice as large as the Cat6 2nd generation Av2 anti-vibration knob features an upgraded finely tuned harmonic dampening System for better feel and less negative vibrational feedback Engineered barrel-end wall thickness profiles improves balance and allows for faster swing speeds 2 5/8 inch barrel diameter USSSA 1.15 bpf Certified.