Easton Maxum 360 (-10) SL20MX10 (2 3/4) USSSA Baseball Bat 31 / 21 Oz This bat was my sons favorite! Signs of wear as shown in photos. Let me know if you have any other questions! The Easton Maxum 360 (-10) SL20MX10 USSSA Baseball Bat is designed for youth players in the 2020 model year. It features a barrel diameter of 2 3/4 inches made of carbon composite material, with a length of 31 inches and a weight of 21 ounces. This bat has a balanced swing weight, making it lightweight and easy to handle. It boasts a vibrant orange color and comes with standard knob, seamless construction, and high-performance capabilities suitable for USSSA baseball play.