I have 2 3/8" drive air ratchets. 1 Craftsman Model 875-188020, about 20 years old, 1 Devilbiss (cheapie purchased in an air tool kit from Sam's Club) about 10 years old. I'm only a hobbyist, so they're not used too often.
Anyway, they don't spin. I can grab the 3/8 square & they'll turn in...