What size bat for tee ball?

A tee-ball bat is 24 to 26 in long with a 2-1/4 in barrel, at a drop of −14 to −10.5, and carries the USA Baseball tee-ball mark: it is only for use with approved tee balls.

The rule

USA Baseball tee-ball mark ('only for use with approved tee balls'); 26 in and shorter.

-10.5 to -14; 2-1/4 in barrel; 24-26 in.

After tee ball

Once the ball is pitched, the bat needs the regular USA Baseball mark and the drop for the age.

Where this comes from

Every rule, with its source, is on How the fit works.

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