Hand-crafted from premium Northern White Ash . Exclusive drying process to ensure maximum consistency and performance. Proprietary double-dipped grain sealant for superior strength and moisture control. Used by some of the MLBÕs most dynamic sluggers, Todd Helton (Colorado Rockies), Victor Martinez (Cleveland Indians), Hideki Matsui (New York Yankees), Mike Piazza (New York Mets), Trot Nixon (Boston Red Sox), Scott Rolen (St. Louis Cardinals), Ichiro Suzuki (Seattle Mariners) and Miguel Tejada (Houston Astros).Wood bats are not guaranteed against breaking, chipping, checking, worn finishes or worn tape grips.