The CAT Composite -10 is a USSSA certified, two-piece composite bat constructed with the maximum barrel length offering a longer surface area and wider sweet spot. The patent-pending SDX EXT connection increases stiffness to maintain energy transfer to the ball, while also dismissing negative vibrations to the hands, resulting in maximum power and minimum sting. Comes with a 1 year manufacturer's warranty from Marucci. - -10 Length to Weight Ratio - 2 3/4 Inch barrel diameter - 2-piece alloy construction - Mid-balanced barrel - Maximum barrel length - SDX EXT, Extended Shock Dissipating Connection - Ring-free barrel construction - Micro-perforated soft-touch grip - 1.15 BPF USSSA Certified - 1 Year Manufacturer's Warranty.