For those of you who have seen "Crocodile Dundee", you'll remember when a guy tries to rob them at knife point in New York City. Dundee's girlfriend says, "He's got a knife!" And Dundee says, "Nah, that's not a knife. This is a knife." And he pulls out his Bowie style knife.
Well, this is a combination square. The "small" square is a 12 inch Mitutoyo.
The big one is a Starrett H8.
Mike
Attachment 362074