Brett Bros. Wulf Man GW243 Bamboo Baseball Bat features a durable Bamboo core that runs through the length of the bat and is surrounded by a very hard birch and has a bat ring placed at the Brett "pine tar line" 18 inches above the handle for "legal" placement of pine tar. The GW243 pro model bat has a 1" contoured handle with a larger knob, heavier head, and a 2.5" barrel with a cupped end. The GW243 has an approximate -2 weight drop.