FEATURES: 2 Piece Composite Baseball Bat Construction creates maximum performance and an enhanced feel on contact Black Onyx Carbon increases Durability and Offers a Shorter Break-In Period Dual Frequency Damper is Mizuno's Patent Pending Construction combining two different materials for vibration reduction and less flex for higher performance Cylinder Seaming allows for consistent performance and durability all the way across the barrel Speed Helix Grip offers supreme comfort and long-lasting durability ADDITIONAL DETAILS: NOTICE : Baseball/Softball Bats are only eligible for return if they have not been used.