10 - 13 year olds- In diameter at the thickest part:
11 - 13 year olds- In diameter at the thickest part:
11 - 13 year olds- In diameter at the thickest part:
11 - 13 year olds- In diameter at the thickest part:
14 year olds- In diameter at the thickest part:
15 year olds- In diameter at the thickest part:
Exception: In the 14-15 "A" league, we will use the 14 year old bat rule.
In length: 36" or less