Got this old post vise a couple of years back. Besides being a good usable six inches wide, note the barrel, the part the threads go into, is bronze. Not a lot of info to research on these, but something tells me its got a few decades on it. Weighs about 72 lbs. Sitting on top is a jewelers vise with nickel in the jaws. It will fit in the pocket of my jeans. yes, when I'm wearing them.