The Demarini M248 Pro Grade Maple 31in Wooden Baseball Bat (MAB0190) is a high-quality, end-loaded bat designed for adult baseball players. This black bat features a 2 1/2 inch barrel diameter and is made of durable maple wood. The DeMarini Signature Series bat is signed by Ray Demarini and offers a balanced swing weight for optimal performance on the field. With a weight of 30 oz, this bat is ideal for serious baseball players looking for a reliable and powerful tool to enhance their game.