Step up to the plate with confidence with the Mizuno CRBN Pro Fastpitch Softball Bat - 10. Designed to create a balanced and powerful swing, this bat is made of two pieces of composite for lasting strength and a solid feel. The Dual Frequency Dampener⢠combines with a Paired Barel Detonator COR⢠to reduce vibrations and increase your control. Speed-Helix grip. 2-1/4-inch barrel diameter. Mizuno CRBN Pro Fastpitch Softball Bat - 10 White - Fastpitch Softball Bats at Academy Sports