Used Rawlings Quatro Pro ( 8) 31 23 USA Baseball Bat 2021 Silver Black 2 5 8" Firework What makes this bat different Royal Red White What makes this bat different from the other models is the combination of DeMarinis’ new x10 Alloy material and the long barrel design that maximizes the sweet spot and provides an incredible Smith's Koroyd technology is found in the funny looking layer of honeycomb tubes that run beneath the outer shell and more traditional EPS foam throughout the helmet the ( 8) gives an ultra reactive feel to provide maximum pop and unmatched feel with every swing The redesigned F2 Focused Flex collar reduces vibration and provides unmatched comfort and feel on contact