The DeMarini Raw Steel bat is pure toughness. Its SC4 Alloy Handle is the stiffest alloy handle available from DeMarini. A singlewall barrel utilizes inherent strength and weight of material for the pinnacle of performance. Its N2M End Cap is scientifically tuned to absorb vibration while maximizing power, but keeping vibration off your hands is the Positack 2 Grip. Approved for play in ASA, USSSA, NSA, ISA. 26, 28, 30 oz. To contact a manufacturer about a warranty, please refer to our Bat Warranty Manufacturer Contact List .