Worth Legit Fast Pitch Softball Bats -10 33 Inch/23 Ounce Made in USA Worth is proud to manufacture in the United States of America 98 MPH Multi-layer composite core designed to provide exceptional rebound and maximum durability Approved by ASA, USSSA, NSA, ISA, ISF and all other associations Bat Specifications Drop: -10 Fastpitch Bat Barrel Size: 2 1/4" Certifications: By all Associations Available Sizes: 34/24,31/21,32/22,33/23