New for 2012! The new Miken Halo Light is here to improve swing speeds and maximize performance for fastpitch players everywhere! The Halo Light is a one-piece bat made entirely from Miken's high performance R900 Composite. This carbon fiber blend provides 38.8% higher tensile strength and 40% higher elongation than the industry standard. This composite material is proven to endure grueling play and deliver unrivaled durability. The balanced and lightweight design in due in part to Miken's Vacuum Transfer Molding Technology that creates a bat with no excess material to create one of the world's easiest bats to swing. The hitting surface of the Halo Light is enhanced with Advanced Inner Flex Technology that delivers precisely calibrated handle flex and energy transfer to optimize barrel rebound. For the player this means maximum trampoline effect, maximum ball speed, and maximum distance! The Halo Light is finished off with an Extreme X-Tack grip that provides players with the optimal amount of tack for true comfort and control. Miken: Elite Equipment for the Elite Player! The Halo Light comes with a Full Twelve (12) Month Manufacturer's Warranty. 2 1/4 Inch Barrel Diameter