AZ105 alloy, the strongest aluminum in the Marucci bat line, allows for thinner barrel walls, a higher response rate and better durability Multi-variable wall design creates an expanded sweet spot and thinner barrel walls that are more forgiving after off-centered contact SDX EXT, Extended Shock Dissipating Connection, increases stiffness to maintain energy transfer to the ball, while also dismissing all harsh, unwanted vibrations from players’ hands Ring-free barrel construction allows for more barrel flex and increases performance with no \"dead\" spots Power-loaded barrel results in a higher M.O.I. and end-loaded feel for effortless power Two-piece hybrid design combines a carbon composite handle with the AZ105 alloy barrel for maximum power Professionally inspired handle features a removable taper and an ergonomic knob shape for more top-hand control and comfort Micro-perforated soft-touch grip with extra tack improves feel and control 2 5/8\" barrel diameter BBCOR certified One-year warranty included https://maruccisports.com/