To It has red plastic on the handles and is marked add some info. I just dug out my 7" Plierwrench to use and noticd the markings. It is a late model made after Joe died and his wife sold the business.
Plierwrench Italics, a couple of dots before, an r in a circle after
then a couple of dots
MULTIPLE PURPOSE TOOL
PLIERWRENCH TOOLS INC>
BENSENVILLE, IL. 60106 Chuck Garrett