NEEDS NEW GRIP TAPE. SEE PICS FOR DETAILS. The Easton Mako Junior Big Barrel Baseball Bat is a high-quality, youth-sized baseball bat designed for young players. With a 2 3/4 inch barrel diameter, 27 inch length, and 15 oz weight, this bat provides a balanced swing weight and excellent performance on the field. Made of durable carbon composite material in a sleek black color, this 2016 model is approved for use in USSSA and PG leagues. Easton's reputation for quality and innovation makes this bat a top choice for youth baseball players looking to improve their game.