yeah, I don’t know for sure, I can’t check on it right now because I’m behind a firewall blocked by websense.
I managed to find this: https://answers.yahoo.com/question/index?qid=20090829133335AATK12b
It is basically a .32
There are several types available - a quick search should yield multiple results other than just a Penna as was suggested to be the only possibility upthread.