The Brand New out of wrapper Easton Z2K 33/30 - ZCore -5 anniversary baseball bat is a high-performance, metal alloy bat designed for advanced adult players. With a 2 3/4 inch barrel diameter and a balanced swing weight, this 2020 model is specifically designed for BBCOR play. The sleek black color and Easton branding make it a stylish and reliable option for serious baseball enthusiasts looking to up their game.